Quote:

I have a 1990 lebaron drag car it has a 2x3 chassis with ladder bars 8.75 shortened rear 30x12.5x15 slicks mustang 2 front suspension with a sb mopar Car has rear coil over shocks does anyone have any idea what spring rates i should buy for the rear coil overs




You need to know the rear weight of the car then
subtract the diff weight... but being you have a 2x3
chassis I wont even guess at the weight on the rear..
my moly tube chassis car has 85# springs on it...
as a ROUGH guess I would think about 110#.... thats
just a guess