with a 15x7" rim you should get a 42-44mm offset if you can. I have 15x7" Kosei K1s with 45mm offset and on 96+ models the inner wheel lip can rub the rear lower control arm, which sounds NASTY!
I have 15x7" Enkei RPF1s with 41mm offset and that's perfect.
__________________
Sponsored by: KAM Racing Sports, Falken Tires, Progress Technology, Brady's High Performance, Taggart Performance Engineering, Rotora Brakes
Autocross is: 90% driver, 5% car, & 5%
CRAZY MOJO!
Autocross Help Page