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Old 11-27-2009, 04:00 PM
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coilovers to short???

Help me out guys,

I put some Qa1 coil overs on my 2002 S10 backhalfed truck. Ladder bars, Ford 9" 95lb springs. I think they are to short. At ride height with gas in the cell it looks like I only have about 2"s of travel left!!! Man I'm going to bottom out bigtime when I hit launch! Maybe this picture will help. Give me some feedback guys!!!

Thanks, Thom
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Old 11-27-2009, 05:35 PM
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Looks like you need to crank the adjusters up on the spring platform to center the shock in its travel and then lower it at the adjustable housing mount to get the ride height back where you want it. If the adjuster has no more room to move up, then it is likely that you need a stiffer rear spring(110 lbs).

Have you weighed the rear of the vehicle to determine what is the correct spring for your application?? Do the shocks call for a 12" or 14" spring??, as that could be the problem if the spring rate is correct.

Rear end should seperate, not squat, at launch. Rear suspension should try to lift the body at launch, pressing the tires into the ground harder. It is a laws of physics, equal and opposite reaction thing. If a car squats in the rear you are losing potential traction.

Anyone who tells you it needs to squat at launch knows absolutely nothing about drag race rear suspensions.
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Old 11-27-2009, 05:45 PM
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Thanks man, I'll check everything you said! Makes good sense. Thom
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