Car Rides on square wheels
 

When my tires start to spin....especially if it happens going backwards..the whole car bounces. The car rides really crappy anyway..kind of like a sled. What could cause my whole rear end to jump up and down?

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Red 1993 Gt- flowmasters,BBK Shortie Headers, BBK Hi-Flow H-Pipe, BBK cold air induction w/K&N, Pro 5.0 shifer, 130 amp alt., underdrives,pioneer cd player and kicker component speakers, Kenwood Excelon amp, 2 12" subs in the hatch,firehawk sz50 all around, timing bumped to 13 deg., ADS Superchip, and mobil 1 oil lubing the 302.

Get some lower control arms.
Why are you spinning your tires in reverse?

well if you are backing up to fast I believe its called wheel-hop!

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347 Stroker Motor: Balanced, 30lb Bosch Injectors, Cobra Computer, Cobra Transmission, GT40 Ported and Polished Upper and Lower, GT40 Milled Ported and Polished Heads, B303 Cam, BBK 1 5/8 Headers, March Underdrive Pulleys, Electric Fan, Accel Performance Coil, Accel 300+ Racing Wires, NGK Plugs, Ram Air, K&N Filter, 77mm Mass Air Unit, FlowMaster Exhaust w/offroad H-Pipe, Hurst Short Throw Shifter, 3:55 Gears, Ram Clutch, Cross Drilled Rotors, High Tolerant Painted Calipers and Drums.