I have a beat up 1982 Monty carlo no rust with a 4.8 l ls with a s475 turbo running 15 lbs of boost car makes decent power car car 3 way adjustable shocks all the way around v6 springs up front car is completely striped out and meroso trick springs in back upper and lower adjustable controle arms 10.5 full drag slicks I have get to use trans break but have one i met up with a guy that (knows g bodys like no one else) ??? Said to put a foot ball in pasenger rear spring add 15 lbs of air and it wpuld fix everything it didn't! I still can't leave on break I still have no traction pinion is set at -2.5 and blows tires off all day every day warm cold what ever tires are maybe 1 year old at most ..... Ummm yeah I think thats it oh of course itbhas a gn rear 8.5 342 gear pleas help I have had countless people tell me countless things nothing that has really helped!