Learning how to tune the rear shocks of your race car is huge in drag racing. Plush offers a comprehensive range of mountain bike suspension serving options. For a car that squats in the rear upon acceleration you may need to loosen the shock to get maximum weight transfer pitch rotation. Imagine a point on the center of the rear tire contact patch. As a general guideline, lighter springs allow the car to easily transfer weight, and settle faster down track. Drag racing suspension setup and tuning with digital video. The most popular drag race rear suspension is the ladder bar combined with coilover shocks. Unless noted otherwise, these tuning tips apply to both forks and rear shocks. If your car oversteers this is because your rear wheels are losing traction before your front ones, bringing the back out. Mountain bike parts rear shock online shop bikediscount. Read the tech article on chevrolet chevelle rear suspension tips, brought to you by the experts at chevy high performance magazine. However, if there is rear tire shake, wheel hop or excessive body separation proceed first to. Too firm of a hamper setting allows high tire shock and causes extreme flattening of the tire. The tuning of suspensions involves finding the right compromise.
Whether in a marathon, an enduro race or in the fight for every. Front suspension forks and rear shocks both require simple adjustments to work. This system entails a triangulated bar with two attachment points at the rear axle and a single connecting point at the chassis. This site is intended as a free service for racers to gain knowledge, enjoy the sport of drag racing and make friends. How to install the ultimate foxbody suspension turn and. The closer the front mount of the rear end leaf spring is to the rear axle, the harder the suspension hits the rear tires of course, you can overpower a tire. Setup guide how to adjust your mountain bike suspension for. Ok, now imagine a line from that point to the rear tire contact patch. Now imagine a point on the center of the front tire contact patch. Fox racing shox manages to regularly set the benchmark for suspension forks and rear shocks.
Travel limiters, struts and coil springs, the basics of front suspension drag racing duration. As far as suspension upgrades go, most retained the original springs coil or leaf and simply bolted in set of soft rear drag shocks. While they offer nearly every type of rear suspension available, our primary interest, and that of our readers, is likely in team zs stock style suspension. As with any proper system, the eliminator ii drag race rear suspension started with a strong foundation, namely the rear clip. Before you start make sure your rear shock is in fully open mode if you have a lowspeed compression adjuster. Determining the correct spring rate and correctly adjusting your suspension is very. Increase front or reduce rear antirollsway bar settings.
On a poorly prepped surface or when the track starts getting greasy i tighten up the rear rebound which reduces separation, wheelie and hit to the tire. Shocks, the most overated part of the suspension duration. The design of front and rear suspension of a car may be different. If its a really bad surface i tighten up rebound then add weight to the rear of the car. You may need to play with a few sets of shocks to get the. In this video from qa1 you can learn the basics of shock tuning. Even the best suspension components will be next to useless if the frame allows excessive deflection. If you didnt find what you are looking for, contact us here. If this same front mount of the rear end leaf spring is below the neutral line, the car squats upon launch.
The combination of loose drag suspension, the stock fourlink rear, and the stiff arb out back created an unpredictable car that was only at home. Now take a line straight up from the front contact patch, and have it intersect the height of the center of gravity. Definitive guide to suspension tuning suspensionspot. Robs rod shop drag racing suspension episode 1 basic 4. As a general rule, never use anything shorter than a 5travel rear shock. This suspension calculator will help you optimize your suspension settings for your. Drag racing shock and suspension technology has changed drastically over the last five years, so we have invited world renowned suspension. The rear separates more and the front also wheelies higher and longer. You give it some gas, the front of the car comes up as weight is transferred to the rear tires to aid traction. For a car that raises in the rear upon acceleration, you need to be in that middle range and careful not to get so stiff upon compression that the rear suspension does not allow the front suspension to raise.
The demands of drag racing created a few interesting twists on the factory rear suspension designs. In case youre wondering just how fast a street car running these components can go, team zs dave zimmerman owns a blown, street driven, fox body coupe, has been as fast as a 1. Photo 18 tuning for the track suspension tuning tech so youve completed the basics. Drag racing suspension setup and tuning using video. Fox racing shox bike accessories, bike parts bikecomponents. Tuning for the track suspension tuning tech modified. Comp should be what hits the track, rebound controls the shocks extension. Reduce front or increase rear antirollsway bar settings. Suspension is the system of tires, tire air, springs, shock absorbers and linkages that connects. The eliminator ii 4link rear clip features ultrastrong. A drag race car should run the lightest front spring rate possible, without letting the shocks bottom out when making a pass. If the rear of the car squats right away then the rear shocks are too loose.
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