For you ur-quattro tweakers. What are the correct sizes for a 16" diameter wheel and tire without rubbing. The wider the better but without rolling the fenders and without rubbing. The car is an 83 Pat Martin 864000csq 2 1/2 cat back, H&R-Boge,advanced and loving it. Drilled and stopping it. Koenig Cobra 16x7 with AVS Intermediates, K&N. 95 subaru legacy Bothell, Wa.