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My thinking is you should allow the rear end to rotate or decrease pinion angle when you have the LR spring mounted in front of the housing. I agree pinion angle does not equal drive, it merely...

If you move the LR spring ahead of the axle like was stated you are creating a TON of drive. IMCA only allows you to move the spring forward of the center line of the axle equal with the back of the...

Until this year I have always used a stiff RR spring in my car in order to loosen the car on tacky tracks. Tacky the track the stiffer the spring. This along with flat or lesser angled pan hard bar,...