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Another thing people often forget to think about in drag racing is alignment. And even for rwd this applies.
What the hell do you think happens when your rear end squats down 4" or so on a launch. Your wheel alignment and camber change drastically. For you rwd guys you would want to set up your alignment so that when its in the launch and acceleration position that the contact patch of the tire is at its best. So both the toe and the camber are as close to "0" as you can get during that launch and acceleration.
So dependant on the suspension setup and actual squat you get, make you adjustments as necessary. Best thing to do would be to record the back tires with a Gopro during launch and see whats happening and then make changes from there.
You want to keep the ride height up as well but not too high. Basically about stock ride height would be fine or little higher if your fitting big tires. But i can bet you during launches your getting a bit of toe out and negative camber. Not the best for traction.
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