Coilover Spring Rate Chart

Lower springs face two issues that can be resolved by selecting longer springs. 00 : 5" & 5 1/2" OD Front Coil Springs. Spring Rates: 295lbs Front / 275lbs Rear Drop: 20mm Front / 23mm Rear NOTE: 2002-2007 WRX owners will need a conversion to use these springs. Advanced Racing Suspensions. Maximum Motorsports offers springs for Mustang coil-over applications in two diameters: 2. Every product we sell is the result of constant testing and development done with top. Spring rates may vary depending on applications, usage and personal preference. I run coilovers in front (traditional MacPherson strut set up) - 275 lb/in. It is a percentage of the overall spring rate used in calculating the spring tension for the specified turns of preload. With our coilovers, we do change the spring rates, but we only do it in small increments; like say 60 to 150 pounds per inch per axle, depending on whether you have a base model or a Z06, since the Z06’s already have slightly higher spring rates. Most applications utilize the 450 lbs. Open 24x7 - Same Day Shipping! Save $10 off $299, $20 off $599, $30 off $799, $100 off $1,599 Orders. #GWS-401-10450 (450 spring rate). In this case it is. While the spring rate is significantly higher than stock, the ride quality with the 275 Eibachs and Koni Sports is MUCH improved compared to the sport springs/Bilstein HD's that were on before. Coil Over Springs available from 5" to 14" Free Length - all rates available (pair) $150. This is critical as too many people settle with the overly stiff spring rates. How to Calculate Spring Rate for Coilover. 1968-74 Nova & Chevy II Front Coilover Kits. 6% of the spring force is contributing to the motion of the suspension. Higher spring rates might be overkill unless you are planning to use race rubber on every track day. 2wd and 4wd Off Road Front Shock Springs : LOSA5128: 2 2” Spring 4. I initially. These will work on the WRX with Tokico D-Spec struts if 02-03 rear tophats are used. Standard Coilover Springs Made for 1. range and a 100 lb. All AFCO coil-over springs are guaranteed to not lose more than 1% of their original free height for life. had a few ask me if I had any info on moog springs, most 2wd S10's have either 5658's or 5660's as you can see from the chart the increased spring rate of the 5662';s and 5664's, this should clear up any confusion whether Moog 5664's are a stock S10 spring (from this chart you see they are not). This is critical as too many people settle with the overly stiff spring rates. Use at your own discretion. While running the same spring top and bottom will still give you a transition, we recommend (if possible) a 50 lb. per inch will compress 1" when a 500 lb. 8"-travel coil-over. yes, it's stiffer than stock, but the rear motion ratio (~0. Rates Standard Coil Springs 2. MGB springs will work and might offer a better spring rate, there are about 6 different rate springs used on Bs throughout the produciton run from roadstes to GTs. Now lets compress this Dual Spring system 8 inches. Well, except for that obnoxious front end rake. All springs are sold in pairs. Recommended spring rate to optimize ride quality. The spring rate chart below is a general guideline. AXLE WEIGHT IN LBS. Part Number # NA-MMFTDA. On this Episode of Rock Rods Tech Jake Burkey the driver of the Riot Buggy Rock Bouncer gives you an in depth look of how to choose the correct spring rate a. My aftermarket "sport springs" were about 180 lb/in. The spring rate is the amount of weight it takes to deflect the spring one inch while it is under load. GT63; What Coil over spring is everyone running? I'm looking at replacing my old coilovers with a set of QA1 coil overs and am debating whether to use 150 lb. It will retail for about $1,200. Every product we sell is the result of constant testing and development done with top. Look at the available spring rates and their applications below. Many of our customers are looking to buy coilovers or lowering springs for their car. The AFCO Dual Stage Coil-Over takes advantage of this principle to improve traction by providing dual spring rates. If the spring is the same on both sides and fits the same either direction, then it is correct to install the spring with the closer coils “up”. Click or Call 800-544-8778. Color code stripes 2. Viking Performance specializes in high quality performance shock absorbers, high-travel coil springs, rod ends, spherical bearings and related suspension components. 330" loaded ht 10", load lbs 2404. QA1 coil-over racing springs are guaranteed to remain within 2% of rate and length - forever! Springs are coil wound of chrome-silicon wire, the strongest spring steel known. according to the chart in the Yogi’s catalogue I have. The springs can compress until the coils touch without damaging the spring or causing it to take a set which ultimately changes the ride height. Easy way to remember is 1 KG/mm = 56 LBS/in. 8"-travel coil-over. SPRING RATE CHART The charts below are a general guideline for selecting spring rates. super soft rear is nice for coming. Manufacturer of winning racing and performance auto parts. Viking Performance specializes in high quality performance shock absorbers, high-travel coil springs, rod ends, spherical bearings and related suspension components. The R&D has already been done for you. I had BC 10/8kg on my sedan and was very happy with them. Quote: regarding future coilovers In about 2 months there will be an adjustable dampening coilover available, it will feature 8k,10k,12k springs (yes 6 springs, which eliminates the street or sport versions and gives the user more options). I prefer to mount the coil-over shock behind the axle centerline. The coilovers are TCI All American’s and they have a progressive rate spring. Manufacturer of winning racing and performance auto parts. Check out our offerings for dozens of applications HERE. Wire diameter 3. The knee (sharp bend) in the chart below shows where the valving goes from linear to digressive. 1 rate tan) Part #5441 Spring, shock (GTR) (4. Taken from Silvia. Types of Coilovers Coilover Sleeves  Coilover sleeves resemble lowering spring. Don't guess at this. 5"• Spring rate: 400 Lb• Color: BlueSold each. Longer Lower Springs. The Dual Rate UHT Coil-Over Springs (product numbers 12B0230/700UHT and 14B0230/700UHT) provide the performance of an optimized stacked coil-over spring assembly but in a single spring. King Shocks is a manufacturer and servicer of custom made adjustable and rebuildable automotive shock absorbers and performance racing products for utility vehicles, OEM replacement and professional racing use. according to the chart in the Yogi’s catalogue I have. The higher a spring rate, the stiffer. "Baseline spring rate" is defined as the pound-per-inch rate (lb/in) at which the spring supports the corner weight of the vehicle with the coil-over shock at the correct installed height without the need to preload the spring. Click or Call 800-544-8778. Double Adjustable Front Kit. Select your Spring Rate Single Adjustable QA1. 2" of travel, equals a jarringly stiff 833 pound-per-inch spring rate that is now required to hold the vehicle up at that specific height. The ast set I am looking at comes with 350 and 250, some people that I have talked to say that the rear should have. 5” ) • HD Track Bar Relocation Bracket • Available with Fully Adjustable 4-Links F17852K. Quote: regarding future coilovers In about 2 months there will be an adjustable dampening coilover available, it will feature 8k,10k,12k springs (yes 6 springs, which eliminates the street or sport versions and gives the user more options). But here’s the good news: this is easily correctable. 5 rate green) (std. When comparing a single spring, like that of a stock cherokee, to a coilover, the coilover spring(s) is quite longer. NOAC - Number Of Active Coils (Coils that are free to move. Types of Coilovers Coilover Sleeves  Coilover sleeves resemble lowering spring. "With spring rates typically available in 50-pound increments, your target spring compression math may land on 172 lb-in when 150 lb-in and 200. 8"-travel coil-over. Many of our suppliers shut down for a time, and like us are operating with reduced manpower. AXLE TYPE SPRING LENGTH 900-1099 1100-1249 1250-1449 1450-1599 1600-1899 1900+ Solid Axle 8” 200 225 300 350 400 450 9” or 10” 175 200 225 250 275 350. For more information go to www. This is my best guess at spring rates sutable for a Camaro for best handling. Does anyone know the FP GT350 lowering spring rates? BMR now makes a true linear spring for the GT350 with spring rates of: 250 lb/in front linear 980 lb/in rear linear I’d much rather run a linear spring but I’m also wanting to compare the two rates. XX kg/mm x 56 = ( Spring rate in lbs/in ) Example 8kg/mm x 56= 448lb Spring For a standard spring rate (lbs / in) to metric spring rate (kg/mm) use the formula XXX lbs/in ÷ 56 = ( spring rate in KG/mm Example 500lb/in ÷ 56 = 8. Our metric coilover springs come in various sizes with inner diameters ranging from 60mm (2. CSPWD - Coil Spring Wire Diameter (How thick is the wire?). We take more than 50 years of race-winning experience and apply it to the core of our suspension springs – we provide the tightest tolerances, the use of superior materials and offer experienced craftsmanship. Coilover Dual Rate Nuts. Point ・Increasing 1 kg of spring rate of front and rear from MAX III enhances the stability during high speed driving furthermore. 0" ID End Coil Over Spring Select Height and Rate Below SELECT HEIGHT 18" 16". Rates Standard Coil Springs 2. Mon-Fri 8am-4pm PST. Part #5436 Spring, shock (GTR) (2. 4 rate black) Part #5442 Spring, shock. I run coilovers in front (traditional MacPherson strut set up) - 275 lb/in. 2” of bump travel. I ran 350lb spring rate before with a alumium headed sbc, Im currently running the 250lb because I switched to a LS2 which weights 80lb less on the front of the nose. 2” of travel, equals a jarringly stiff 833 pound-per-inch spring rate that is now required to hold the vehicle up at that specific height. 1 rate tan) Part #5441 Spring, shock (GTR) (4. "Physically" remove the helper spring completely from the coilover assemblies. You will need to remove the coilovers from the car and use a 17mm socket and impact gun to remove the top mount. Spring rates, wire diameters and coil lengths have been developed through extensive real world testing on all types of terrain. Of course, before we go about picking spring rates, we must first understand some basic spring theory. 10" Free Length Steel Coil-Over Spring with 150 lbs. Choosing a spring rate for a QA1 Pro Coil bolt-in coil-over system is easy! This cataloged coil-over kit for your vehicle has already gone through the R&D process and the spring length has been determined, so choosing a spring rate is simply a matter of matching the vehicle weight to our available spring rate charts. This is because it provides an accurate idea of how your car will feel with a certain set of springs/coilovers installed. For starters, the coil spring and the strut are made to perfectly fit each other. The in-house Viking engineering and product development team consistently push beyond the forefront of technological advancement and quality in suspension systems and components. Baseline Spring Rate Selection Spring rate affects ride quality, ride height, stored energy, weight transfer and how effectively the front suspension handles downward movement after drag race launches. Spring rates may vary depending on applications, usage and personal preference. SPRING RATE CHART The charts below are a general guideline for selecting spring rates. Color code stripes 2. The compression spring rate calculated will be of 10 pounds of force per inch. CSPWD - Coil Spring Wire Diameter (How thick is the wire?). Superb Springs – We use 2. Please be aware Our supply chain is suffering major pandemic-related disruptions. “With spring rates typically available in 50-pound increments, your target spring compression math may land on 172 lb-in when 150 lb-in and 200. "With spring rates typically available in 50-pound increments, your target spring compression math may land on 172 lb-in when 150 lb-in and 200. 75 ID springs are for 3. 5", and 3" ID coilovers, made with extremely linear rate as well as the most amount of stroke in the industry. You will need to remove the coilovers from the car and use a 17mm socket and impact gun to remove the top mount. “Baseline spring rate” is defined as the pound-per-inch rate (lb/in) at which the spring supports the corner weight of the vehicle with the coil-over shock at the correct installed height without the need to preload the spring. This keeps it from interfering with the four-link bars and lowers the top mounting location. 0 Coilovers, 3. heavier lower spring in the 100 to 300 lb. For dual rate coilovers you will need to multiply the spring rate calculated above by two to get the required spring rates. Ive looked and cant seem to find them. JEGS High Performance Parts | Aftermarket Auto Parts. weight is put onto the spring the spring will compress another inch. I am going to be buying coil-overs soon, and I am trying to decide what spring rates to run for a autocross/daily driven car and I want them to work the sway-bars I have installed. #GWS-401-11300 (300 spring rate). WARNING: This product can expose you to chemicals including nickel and urethane, which are known to the State of California to cause cancer and birth defects or other reproductive harm. Careful design provides the most bump travel possible. Even if you calculate based off that there's room for personal preference & riding style. Or, you use this formula to guesstimate: spring weight = rider weight x leverage ratio. Brand/Model. 7L Leveling Springs & Coilovers. If you stack a 10-inch 200 rate and 6-inch 200 rate spring, you get a combined rate of 100 pounds per square inch. Hypercoils have a Life-Time Guarantee that coils remain within 2% of the original manufacturing tolerances. range and a 100 lb. AXLE TYPE SPRING LENGTH 900-1099 1100-1249 1250-1449 1450-1599 1600-1899 1900+ Solid Axle 8” 200 225 300 350 400 450 9” or 10” 175 200 225 250 275 350. The AFCO Dual Stage Coil-Over takes advantage of this principle to improve traction by providing dual spring rates. 0 ID springs are for 2. Just as I said, want to completely go with coilovers on rear, so I converted a set of belltech shocks for coilover, but the springs I have are a little too light, still need some air in the bags to get the ride height. Types Of Front Coilover Springs Street/Strip Driving - LMR suggests a 12"-14" 150lb-200lb spring setup. The 2017-2019 Super Duty is a sight to behold. October 24, 2018. That alone improves handling significantly. AXLE TYPE SPRING LENGTH 900-1099 1100-1249 1250-1449 1450-1599 1600-1899 1900+ Solid Axle 8" 200 225 300 350 400 450 9" or 10" 175 200 225 250 275 350. eibach uses progressive type springs so its not really that harsh on daily driving even at higher spring rates. if its the same coil size and length. The Dual Rate UHT Coil-Over Springs (product numbers 12B0230/700UHT and 14B0230/700UHT) provide the performance of an optimized stacked coil-over spring assembly but in a single spring. Differences in vehicles such as specific performance application, weight reduction and chassis stiffening should be taken into consideration. front 90mm) Part # 5437 Spring, shock (GTR) (3. #GWS-401-10400 (400 spring rate). (2) Front coil over shocks, double adjustable (2) Front springs with choice of 250, 350, 450 or 550 spring rate; Spanner Wrench & Thrust Bearing Kit: Spanner wrench tool is used to adjust vehicle height while shock stays mounted. We take more than 50 years of race-winning experience and apply it to the core of our suspension springs – we provide the tightest tolerances, the use of superior materials and offer experienced craftsmanship. Standard Coilover Springs Made for 1. Double Adjustable QA1. Our metric coilover springs come in various sizes with inner diameters ranging from 60mm (2. rate stiffens to the rate of the active spring. Front wheel rate. A coilover spring is a compression coil spring, that is, a spring that is designed to carry a load by compressing. With a quick overview of the terms, and a small change in language for clarity, you’ll be able to talk springs better than 99% of the population today. Find a race car shop that has digital scales and get a real front and rear weight. 25in) to 70mm (2. heaver spring for spring rates 400 lb. All of our coilover kits also include Helper springs. Coil Over Springs available from 5" to 14" Free Length - all rates available (pair) $150. Spring type Type R (straightatbothends) Single Rate Spring Type S (barrel shape at both ends) Single Rate Spring Type T (barrel shape at both ends) Single. Art Carr/Winters Shifter Overview Video. Higher spring rates might be overkill unless you are planning to use race rubber on every track day. Unlike some constant-rate lowering springs that are stiffer all the way through the range of compression, these will get progressively stiffer as the coil compresses during hard cornering. rear 90mm) Part #5439 Spring, shock (GTR) (3. Now, there was the argument that the coil-over's relocated the spring and thus changed the motion ratio. Moreover, coilover allow height adjustments and improve the rebound on the shock. Customizable - You may order your FA coilovers with custom spring rates and shock valving to suit. So the answer to your question is yes a lighter spring rate will yield a lower stance. 00 : 5" & 5 1/2" OD Front Coil Springs. F-O-A, First Over All Off Road Shock Technology 6747 Spencer Street, Suite 1 Las Vegas, NV 89119. “The coilover’s angle has a slight effect on the spring rate, but you usually won’t need to factor in a spring-rate change unless you have more than 20 degrees of shock angle,” Steve stated. Kit Includes: (2) Front coil over shocks, double adjustable (2) Rear shocks, double adjustable (2) Front springs with choice of 250, 350, 450 or 550 spring rate; Spanner Wrench and thrust bearing kit. To get that height (with no Preload) with single springs gets met right at 200lb Front/250lb Rear. As you can see from the accompanying chart, courtesy of QA1, the correction factor increases as the angle increases to the point that if a coilover is mounted at 45 degrees, its spring rate is halved. In other words, you would have to have a machine that would compress the spring to the install height first. If the spring is the same on both sides and fits the same either direction, then it is correct to install the spring with the closer coils “up”. Moreover, coilover allow height adjustments and improve the rebound on the shock. Pinch-bolt spring preload rings allow easy ride height and preload adjustment and retain the top quality racing coil selected to deliver your optimal spring rate. (Below) is a handy front spring selection chart for drag race cars equipped with MacPherson struts. 9 rate white) (std. Higher spring rates might be overkill unless you are planning to use race rubber on every track day. Enter your suspension measurements in the white boxes below. So the answer to your question is yes a lighter spring rate will yield a lower stance. The knee (sharp bend) in the chart below shows where the valving goes from linear to digressive. Spring rates may vary depending on applications, usage and personal preference. Specifically for use with Carrera & QA1 coil-over shocks and the factory upper spring pocketChrome silicon spring material8 1/8" free lengthPolished & chrome plated finishSpring Rate Chart (Link) Customer Questions & Answers. Afco's 360° Polished Extreme Chrome Coil Over Springs offer a wide range of rates and the market's best warranty. Below is a picture of a Dual Rate spring chart for you to use as a reference any time. Coil over Shock High/Low Compression adjuster Boost/Bottoming Control Rebound adjuster Preload/Spring Rate Options. By Speedway Tech Team. A coilover shock incorporates a coil spring mounted around the outside of the shock body that holds the vehicles weight. 08 Extended Height (IN. absorber, say a 2. #GWS-401-10450 (450 spring rate). For Use With DSE Front Coil Over Conversion Bracket Part Number DS-21    Original 1967-1969 Camaro front coil springs often become very weak and may cause your car to sit. NA Miata OEM Spring Rates I recall seeing a chart on the interweb showing what the spring rates were on the different year cars (90-97). Pac Racing Spring latest video. 7L Leveling Springs & Coilovers. Spring Angle. This gives more travel and lighter weight. Types of Coilovers Coilover Sleeves  Coilover sleeves resemble lowering spring. Rates Standard Coil Springs 2. In other words, you would have to have a machine that would compress the spring to the install height first. Careful design provides the most bump travel possible. The coilovers are TCI All American’s and they have a progressive rate spring. On this Episode of Rock Rods Tech Jake Burkey the driver of the Riot Buggy Rock Bouncer gives you an in depth look of how to choose the correct spring rate a. 8” of travel times 40%, equals 1. 800-646-7618. This gives more travel and lighter weight. “Baseline spring rate” is defined as the pound-per-inch rate (lb/in) at which the spring supports the corner weight of the vehicle with the coil-over shock at the correct installed height without the need to preload the spring. Ive looked and cant seem to find them. Pac Racing Spring latest video. 7L Leveling Springs & Coilovers. Advanced Racing Suspensions. 5 Rate (Black) Buggy Front : $2. Enter your suspension measurements in the white boxes below. Godspeed Project custom springs are made from SAE9254 steel wire and cold wound. Spring Rates: 295lbs Front / 275lbs Rear Drop: 20mm Front / 23mm Rear NOTE: 2002-2007 WRX owners will need a conversion to use these springs. For starters, the coil spring and the strut are made to perfectly fit each other. #GWS-401-10350 (350 spring rate). The higher a spring rate, the stiffer. We're changing our phone hours to 9:00 AM to 3:00 PM Pacific Time (Monday-Friday, excluding holidays) so we have more time to process orders and get them out to you. [email protected] Disclaimer:The stock availability shown below is not guaranteed. Eg Do not exceed 70/100. Tags: Tech, Street Rod, Street. JEGS High Performance Parts | Aftermarket Auto Parts. Careful design provides the most bump travel possible. "With spring rates typically available in 50-pound increments, your target spring compression math may land on 172 lb-in when 150 lb-in and 200. Our metric coilover springs come in various sizes with inner diameters ranging from 60mm (2. Moreover, coilover allow height adjustments and improve the rebound on the shock. The R&D has already been done for you. Heat treated and chrome plated. 0Hz front and 1. Many of our suppliers shut down for a time, and like us are operating with reduced manpower. If another 500 lb. Being our classic coilover. Use at your own discretion. As you can see from the accompanying chart, courtesy of QA1, the correction factor increases as the angle increases to the point that if a coilover is mounted at 45 degrees, its spring rate is halved. NOTE: Springs are 2 1/2" ID and are ink-stamped. *** 6082 spring: 721lb / inch rate without cutting, free ht 13. For starters, the coil spring and the strut are made to perfectly fit each other. Coilover springs are polyplastic coated to protect them from rust and corrosion. Spring Rate refers to the amount of weight it takes to compress a spring a certain distance. How to Calculate Spring Rate for Coilover. The steps below will help you to find an approximate spring rate for your coil-over application. I'm finally getting to installing the '73 RSR factory Bilstein coil-overs on my white car. A spring’s Spring Rate and a spring’s Load Rate are the two most misunderstood spring terms out there. Re: Which spring rate for front QA1 Coil over on '68 Part of this story is that there is very little to no benefit to a coil over on a Chevelle. With these examples it is brutally obvious how the. Available in a variety of rates. Free length 4. 2017-2019 F250 & F350 6. Spring Rates: 295lbs Front / 275lbs Rear Drop: 20mm Front / 23mm Rear NOTE: 2002-2007 WRX owners will need a conversion to use these springs. “With spring rates typically available in 50-pound increments, your target spring compression math may land on 172 lb-in when 150 lb-in and 200. 70), at least on an S13, is way lower than the front motion ratio (~0. Find a race car shop that has digital scales and get a real front and rear weight. The 2017-2019 Super Duty is a sight to behold. Point ・Increasing 1 kg of spring rate of front and rear from MAX III enhances the stability during high speed driving furthermore. The canned value is a best guess of the effect ECE will have on preload adjustment. Check out our offerings for dozens of applications HERE. Posted: Sat Jul 18, 2009 12:18 am Post subject: Spring rates for coilovers? What rates are you using with coilover only? Its a baja bug, pretty stock that isn't doing any heavy jumping. For dual rate coilovers you will need to multiply the spring rate calculated above by two to get the required spring rates. 10" Free Length Steel Coil-Over Spring with 150 lbs. BC Racing North America, one of the largest distributors of custom automotive aftermarket suspension products globally, offers more than 1100 unique suspension kits direct to consumer and through distribution and supply chains. 0 Coilovers. To use with 04-07 rear tophats, a spacer will need to be used. 4 rate black) Part #5442 Spring, shock. 5” end ID’s and a dual rate of 200lb/in transitioning to a secondary rate of 425lb/in. Spring type Type R (straightatbothends) Single Rate Spring Type S (barrel shape at both ends) Single Rate Spring Type T (barrel shape at both ends) Single. #GWS-401-10350 (350 spring rate). The correct spring rate for rider weight depends on the suspension design, travel, and leverage ratio. Cheap coilovers won't do this, causing harshness and poor performance. To order the kit with your desired spring rate. This calculator will only give approximations depending on the accuracy of your information. To cure this, I pulled out the big guns and installed KW's Variant 3 Coil-Over. So the answer to your question is yes a lighter spring rate will yield a lower stance. The equation for determining spring rate of springs in series is there. Advanced Racing Suspensions was founded in 1991 after owner, Corey Fillip, recognized the need for the improvement of racing suspensions. Shock absorbers are available with or without coilover springs and ride height adjustable versions also feature in the range. Find a race car shop that has digital scales and get a real front and rear weight. Our metric coilover springs come in various sizes with inner diameters ranging from 60mm (2. Example : If a spring's rate is linear (most racing springs have linear rates) its rate is not affected by the load put onto the spring. if its the same coil size and length. Spring Rate. Remember that it's only a rough guide for spring rates. For example, a linear rate spring rated at 500 lb. #GWS-401-11250 (250 spring rate). The same 1,000 pounds divided by 1. The same springs that are found on Indycars, ALMS, Grand Am and more. had a few ask me if I had any info on moog springs, most 2wd S10's have either 5658's or 5660's as you can see from the chart the increased spring rate of the 5662';s and 5664's, this should clear up any confusion whether Moog 5664's are a stock S10 spring (from this chart you see they are not). if its the same coil size and length. BC Racing North America, one of the largest distributors of custom automotive aftermarket suspension products globally, offers more than 1100 unique suspension kits direct to consumer and through distribution and supply chains. "With spring rates typically available in 50-pound increments, your target spring compression math may land on 172 lb-in when 150 lb-in and 200. rate springs. The spring perch has an adjustment ring on top that is adjusted with a special wrench provided in the kit. The coil-over's that I installed in the rear came with 150 lb/springs on QA1 coilover's. Interlocking Tube Clamps Video. Spring Rate & Pressure at Compressed Length This is really quite simple. It will retail for about $1,200. For example, if by doing this calculation you come up with 98. NEW & IMPROVED LOWER SHOCK MOUNTS! Kit. according to the chart in the Yogi’s catalogue I have. I need advice on spring rates. Coilover Dual Rate Nuts. Coilover shocks have been around since the late 1950’s and are still going strong on Street Rods and Race cars today. This system incorporates the 16 way adjustable twin tube shocks and includes TEIN top mounts. Coil over Shock High/Low Compression adjuster Boost/Bottoming Control Rebound adjuster Preload/Spring Rate Options. Completely polished both inside and out, then boxed in a blue cloth protective shipping sleeve will make these springs looked amazing from any angle. Using a protractor or similar measuring device, find the angle of the centerline of the spring or coil-over assembly from the horizontal of the control arm. rate springs. Shock absorbers are available with or without coilover springs and ride height adjustable versions also feature in the range. To cure this, I pulled out the big guns and installed KW's Variant 3 Coil-Over. If another 500 lb. For dual rate coilovers you will need to multiply the spring rate calculated above by two to get the required spring rates. Spring rates are a bit on the softer side (7k/5k for the AST and Ohlins I believe, and maybe 8/6 for the Bilstein). 5" for MM Front Coil-overs and 2. F-O-A, First Over All Off Road Shock Technology 6747 Spencer Street, Suite 1 Las Vegas, NV 89119. AXLE TYPE SPRING LENGTH 900-1099 1100-1249 1250-1449 1450-1599 1600-1899 1900+ Solid Axle 8" 200 225 300 350 400 450 9" or 10" 175 200 225 250 275 350. Spring type Type R (straightatbothends) Single Rate Spring Type S (barrel shape at both ends) Single Rate Spring Type T (barrel shape at both ends) Single. Most applications utilize the 450 lbs. 51 Shock Stroke (IN. has the finest springs available today. FRONT & REAR COILOVER SPRINGS A. I have an IRS in the rear, hence the short springs in the back. Using a protractor or similar measuring device, find the angle of the centerline of the spring or coil-over assembly from the horizontal of the control arm. had a few ask me if I had any info on moog springs, most 2wd S10's have either 5658's or 5660's as you can see from the chart the increased spring rate of the 5662';s and 5664's, this should clear up any confusion whether Moog 5664's are a stock S10 spring (from this chart you see they are not). 5 ID springs are for 2. Check out our offerings for dozens of applications HERE. 9 rate white) (std. Moreover, coilover allow height adjustments and improve the rebound on the shock. 2” of bump travel. This keeps it from interfering with the four-link bars and lowers the top mounting location. yes, it's stiffer than stock, but the rear motion ratio (~0. Tru-Coil 5x13 Oval Track Racing Rear Coil Spring 200 lb Rate $51. MM coil over kit on all 4. Suspension Spring Dual Rate Spring Stacker Chart Download ; The largest inventory in Racing products. Kit Includes: (2) Front coil over shocks, double adjustable (2) Rear shocks, double adjustable (2) Front springs with choice of 250, 350, 450 or 550 spring rate; Spanner Wrench and thrust bearing kit. 5" for MM Front Coil-overs and 2. Types Of Front Coilover Springs Street/Strip Driving - LMR suggests a 12"-14" 150lb-200lb spring setup. With these examples it is brutally obvious how the. "The coilover's angle has a slight effect on the spring rate, but you usually won't need to factor in a spring-rate change unless you have more than 20 degrees of shock angle," Steve stated. Quit having to reset. Most applications utilize the 450 lbs. Easy way to remember is 1 KG/mm = 56 LBS/in. #GWS-401-10500 (500 spring rate). Re: Which spring rate for front QA1 Coil over on '68 Part of this story is that there is very little to no benefit to a coil over on a Chevelle. If the spring is the same on both sides and fits the same either direction, then it is correct to install the spring with the closer coils “up”. Not coils seated. Coil over Shock High/Low Compression adjuster Boost/Bottoming Control Rebound adjuster Preload/Spring Rate Options. Manufacturer of winning racing and performance auto parts. 800-646-7618. Mon-Fri 8am-4pm PST. 2" of bump travel. The increase in front end lift is. F-O-A, First Over All Off Road Shock Technology 6747 Spencer Street, Suite 1 Las Vegas, NV 89119. Half of the manufacturers show their spring rates as kg/mm while others show them as lbs/in. This is my best guess at spring rates sutable for a Camaro for best handling. This is because it provides an accurate idea of how your car will feel with a certain set of springs/coilovers installed. I had BC 10/8kg on my sedan and was very happy with them. Many of our customers are looking to buy coilovers or lowering springs for their car. Spring rubbers will affect your spring depending on the rate of your spring, the installed height, and the actual rate of the rubber used in the manufacture of the spring rubber. A longer spring to keep the jeep sitting at the same height as a shorter spring means that the longer spring must have a lower spring rate (lbs per in). 8" of travel times 40%, equals 1. Suspension, exhaust, brakes and cooling. End-Coil Effect (percent): closed/ground compression springs have a typically lower spring rate in their initial deflection range. The rate transition started at 625lb of spring load and was complete by 800-825lb of spring load. While running the same spring top and bottom will still give you a transition, we recommend (if possible) a 50 lb. 9K Spring Rate So for a 8 kg/mm spring you would have a 448lb spring, and a 500lb spring is equal to a 8. Remember you now have a combined spring rate of 125lbs per inch. In other words, you would have to have a machine that would compress the spring to the install height first. Our metric coilover springs come in various sizes with inner diameters ranging from 60mm (2. Standard Conventional Springs. Once the top mounts are removed, the helper spring and its spacer between the main spring can be removed from the top. Then, you would have to see how much weight it would take to compress the spring one more inch. "Baseline spring rate" is defined as the pound-per-inch rate (lb/in) at which the spring supports the corner weight of the vehicle with the coil-over shock at the correct installed height without the need to preload the spring. #GWS-401-10350 (350 spring rate). The same springs that are found on Indycars, ALMS, Grand Am and more. Superb Springs – We use 2. Brand/Model. All springs are sold in pairs. This system incorporates the 16 way adjustable twin tube shocks and includes TEIN top mounts. I am going to be buying coil-overs soon, and I am trying to decide what spring rates to run for a autocross/daily driven car and I want them to work the sway-bars I have installed. Pac Racing Spring latest video. #GWS-401-10350 (350 spring rate). Advanced Racing Suspensions. MM coil over kit on all 4. For reference, the spring rates are 220 pounds front, 250 pounds rear. heaver spring for spring rates 400 lb. REAR = Springs marked: HA, or (R), or Rear. Stock was about 150 lb/in. Using a protractor or similar measuring device, find the angle of the centerline of the spring or coil-over assembly from the horizontal of the control arm. The springs can compress until the coils touch without damaging the spring or causing it to take a set which ultimately changes the ride height. Remember you now have a combined spring rate of 125lbs per inch. This calculator will only give approximations depending on the accuracy of your information. Spring rates are a bit on the softer side (7k/5k for the AST and Ohlins I believe, and maybe 8/6 for the Bilstein). Higher spring rates might be overkill unless you are planning to use race rubber on every track day. When a spring takes a "set" the rate of the coil has not changed, only the amount of load it will handle does. For more information go to www. To use with 04-07 rear tophats, a spacer will need to be used. If you're seeking coilovers for a specific application like a Camaro, Tri-Five or C10 pickup, you may not need the Spring Rate Calculator Tool. Double Adjustable QA1. A coilover spring is a compression coil spring, that is, a spring that is designed to carry a load by compressing. 5” ) • HD Track Bar Relocation Bracket • Available with Fully Adjustable 4-Links F17852K. 08 Extended Height (IN. k = L ÷ T k = 20. Lower springs face two issues that can be resolved by selecting longer springs. The R&D has already been done for you. The bottom ring locks it down. This is my best guess at spring rates sutable for a Camaro for best handling. Read about the factors that affect the spring rate of leaf springs, coil springs, coilover shocks, air shocks, and torsion bars, only on 8-lug. Spring rubbers will affect your spring depending on the rate of your spring, the installed height, and the actual rate of the rubber used in the manufacture of the spring rubber. For more information go to www. My aftermarket "sport springs" were about 180 lb/in. The winner of the 1965 Indianapolis 500 and every race since then, has used our suspension springs. #GWS-401-10350 (350 spring rate). 82mph DA 4726 ft; 6/14/2019 at Spokane County Raceway). The compression spring rate calculated will be of 10 pounds of force per inch. Moreover, coilover allow height adjustments and improve the rebound on the shock. 25 inch Hypercoil springs. Spring Rate & Pressure at Compressed Length This is really quite simple. In most cases, this will be somewhere between 75 and 90 degrees, and 90 degrees can be used for the angle. #GWS-401-11250 (250 spring rate). The Dual Rate UHT Coil-Over Springs (product numbers 12B0230/700UHT and 14B0230/700UHT) provide the performance of an optimized stacked coil-over spring assembly but in a single spring. (2) Front coil over shocks, double adjustable (2) Front springs with choice of 250, 350, 450 or 550 spring rate; Spanner Wrench & Thrust Bearing Kit: Spanner wrench tool is used to adjust vehicle height while shock stays mounted. #GWS-401-10500 (500 spring rate). Types of Coilovers Coilover Sleeves  Coilover sleeves resemble lowering spring. has the finest springs available today. The same 1,000 pounds divided by 1. Choosing a spring rate for a QA1 stock mount coil-over system (also called Pro Coils or direct-fit coil-overs) is easy! This cataloged coil-over kit for your vehicle has already gone through the R&D process and the spring length has been determined, so choosing a spring rate is simply a matter of matching the vehicle weight to our available spring rate charts below. Spring Rates Explained. Recommend 7888-110 Spanner Wrench / Thrust Washer Kit. Manufacturer of winning racing and performance auto parts. Well, except for that obnoxious front end rake. Since this wire can flex more than conventional wire, these springs have greater travel than our competitors’ springs of the same rate. rear 90mm) Part #5439 Spring, shock (GTR) (3. 75 ID springs are for 3. Spring type Type R (straightatbothends) Single Rate Spring Type S (barrel shape at both ends) Single Rate Spring Type T (barrel shape at both ends) Single. The higher a spring rate, the stiffer. Standard Conventional Springs. weight is placed onto the spring. A longer spring to keep the jeep sitting at the same height as a shorter spring means that the longer spring must have a lower spring rate (lbs per in). If we find the calculated Spring Rate with a 2. Standard 2-1/2” ID spring with a wide variety of spring rates available. 7L Leveling Springs & Coilovers. “The coilover’s angle has a slight effect on the spring rate, but you usually won’t need to factor in a spring-rate change unless you have more than 20 degrees of shock angle,” Steve stated. Now, I don't know what the motion ratio was stock, but I went and measured the current setup, and the motion ratio appears to be about. AXLE TYPE SPRING LENGTH 900-1099 1100-1249 1250-1449 1450-1599 1600-1899 1900+ Solid Axle 8” 200 225 300 350 400 450 9” or 10” 175 200 225 250 275 350. 4% to the final calculated spring rate. Tokico D-spec front struts and Bilstein shocks in the rear. The total pressure exerted is 1000 lbs per shock. 9K Spring Rate So for a 8 kg/mm spring you would have a 448lb spring, and a 500lb spring is equal to a 8. Example : If a spring's rate is linear (most racing springs have linear rates) its rate is not affected by the load put onto the spring. These springs provide perfect solution for tuners looking to swap to a different spring rate setting due to driving situation and car setup. So to figure out dual rates (say for the front), Im aiming for that same 200lb spring rate for the combined rate? With a 250% Step Up Rate, that puts me at a 500lb bottom spring, and a 333lb top spring. In this case it is. 25in) to 70mm (2. If the spring is the same on both sides and fits the same either direction, then it is correct to install the spring with the closer coils “up”. 5” ) • HD Track Bar Relocation Bracket • Available with Fully Adjustable 4-Links F17852K. Eibach makes the finest performance parts in the world. The in-house Viking engineering and product development team consistently push beyond the forefront of technological advancement and quality in suspension systems and components. The same 1,000 pounds divided by 1. AXLE WEIGHT IN LBS. 800-646-7618. 8 - Constant. The rate of the coilover is 300 lbs. So say you have a spring with a 200lb/in initial rate, and a 400lb/in max rate. The shape of the spring is most important. To figure out the Spring Rate you start by compressing the spring about 20% of the available distance of the spring and measure the height (Load Length 1) and the Load 1 in (lbs/inch) or (N/mm). The knee (sharp bend) in the chart below shows where the valving goes from linear to digressive. I have a chart of those back at the office and can post them to you if you want. To calculate the compression spring rate of this spring, divide the load of 20 pounds by the distance traveled of 2”. The R&D has already been done for you. Now lets compress this Dual Spring system 8 inches. 800-646-7618. Using a protractor or similar measuring device, find the angle of the centerline of the spring or coil-over assembly from the horizontal of the control arm. Disclaimer:The stock availability shown below is not guaranteed. (2) Front springs with choice of 250, 350, 450 or 550 spring rate (2) Rear smooth body ( NOT COILOVER) shocks, double adjustable Rear Shock Specs: Upper Mount: Stud Lower Mount: Eye / Poly Compressed Height (IN. GAZ produce a wide range of performance shock absorbers with adjustable damper rates. This gives more travel and lighter weight. Of course, before we go about picking spring rates, we must first understand some basic spring theory. 5" for MM Front Coil-overs and 2. For dual rate coilovers you will need to multiply the spring rate calculated above by two to get the required spring rates. MM coil over kit on all 4. com, the official website of 8-Lug magazine. For example, if by doing this calculation you come up with 98. Our metric coilover springs come in various sizes with inner diameters ranging from 60mm (2. You have a compression spring with a free length of 5” and it is supposed to travel or compress 2” under a load of 20 pounds. Use at your own discretion. Suspension Spring Dual Rate Spring Stacker Chart Download ; The largest inventory in Racing products. 5", and 3" ID coilovers, made with extremely linear rate as well as the most amount of stroke in the industry. Part Number # NA-MMFTDA. Manufacturer of winning racing and performance auto parts. AXLE TYPE SPRING LENGTH 900-1099 1100-1249 1250-1449 1450-1599 1600-1899 1900+ Solid Axle 8” 200 225 300 350 400 450 9” or 10” 175 200 225 250 275 350. Ive looked and cant seem to find them. according to the chart in the Yogi’s catalogue I have. Choosing a spring rate for a QA1 stock mount coil-over system (also called Pro Coils or direct-fit coil-overs) is easy! This cataloged coil-over kit for your vehicle has already gone through the R&D process and the spring length has been determined, so choosing a spring rate is simply a matter of matching the vehicle weight to our available spring rate charts below. Cruiser / Daily Driver. Advanced Racing Suspensions. HYP 14B0200/425UHT is a 14” free length spring with 2. Spring rates, wire diameters and coil lengths have been developed through extensive real world testing on all types of terrain. 12/10 would be a good choice for a daily and track use. One is called Stacked springs because all you are doing is stacking two springs in series, with the same or different rates, to achieve a longer spring that is softer rate than either of the springs used. For example, an ’03 Mustang Cobra with coilovers has 400-lb/in front springs and 650-lb/in rear springs. Whether you simply need to replace worn out springs, or want to lift or lower your vehicle, we have you covered. QA1 coil-over racing springs are guaranteed to remain within 2% of rate and length - forever! Springs are coil wound of chrome-silicon wire, the strongest spring steel known. Using a protractor or similar measuring device, find the angle of the centerline of the spring or coil-over assembly from the horizontal of the control arm. This keeps it from interfering with the four-link bars and lowers the top mounting location. “With spring rates typically available in 50-pound increments, your target spring compression math may land on 172 lb-in when 150 lb-in and 200. When comparing a single spring, like that of a stock cherokee, to a coilover, the coilover spring(s) is quite longer. Below are approximate spring rates for your coil-over application. QA1 Spring Rate ChartCoil-Over Mounting Guide (GIF). 5 ID springs are for 2. Keep in mind that spring rate selection is a means to an end, not the end itself. Moreover, coilover allow height adjustments and improve the rebound on the shock. if its the same coil size and length. Types of Coilovers Coilover Sleeves  Coilover sleeves resemble lowering spring. Free length 4. heaver spring for spring rates 400 lb. I'm finally getting to installing the '73 RSR factory Bilstein coil-overs on my white car. Baseline Spring Rate Selection Spring rate affects ride quality, ride height, stored energy, weight transfer and how effectively the front suspension handles downward movement after drag race launches. 0 Coilovers, 3. Or, you use this formula to guesstimate: spring weight = rider weight x leverage ratio. Specifically for use with Carrera & QA1 coil-over shocks and the factory upper spring pocketChrome silicon spring material8 1/8" free lengthPolished & chrome plated finishSpring Rate Chart (Link) Customer Questions & Answers. Choosing a spring rate for a QA1 stock mount coil-over system (also called Pro Coils or direct-fit coil-overs) is easy! This cataloged coil-over kit for your vehicle has already gone through the R&D process and the spring length has been determined, so choosing a spring rate is simply a matter of matching the vehicle weight to our available spring rate charts below. The knee (sharp bend) in the chart below shows where the valving goes from linear to digressive. This gives more travel and lighter weight. Below you will find a complete list of coilover springs available for immediate shipment. 1 rate tan) Part #5441 Spring, shock (GTR) (4. Rear IRS coilovers have a wheel rate that’s 1⁄2 the spring rate. Coilover springs are polyplastic coated to protect them from rust and corrosion. The winner of the 1965 Indianapolis 500 and every race since then, has used our suspension springs. [email protected] You will need to remove the coilovers from the car and use a 17mm socket and impact gun to remove the top mount. The bottom ring locks it down. When a spring takes a "set" the rate of the coil has not changed, only the amount of load it will handle does. 95 (spring. 5" (64mm) to 6" (152mm) Diameter Rates Coil-Over Setups Compress Coil Over Assemblies for Easy Adjustments Adjust Coil-Overs without Disassembling Shock &. 0 ID springs are for 2. Read about the factors that affect the spring rate of leaf springs, coil springs, coilover shocks, air shocks, and torsion bars, only on 8-lug. k = L ÷ T k = 20. All AFCO coil-over springs are guaranteed to not lose more than 1% of their original free height for life. Remember you now have a combined spring rate of 125lbs per inch. The in-house Viking engineering and product development team consistently push beyond the forefront of technological advancement and quality in suspension systems and components. Double Adjustable Front Kit. For starters, the coil spring and the strut are made to perfectly fit each other. So the answer to your question is yes a lighter spring rate will yield a lower stance. For example, a linear rate spring rated at 500 lb. skunk2 using linear type springs. Moreover, coilover allow height adjustments and improve the rebound on the shock. (Below) is a handy front spring selection chart for drag race cars equipped with MacPherson struts.