I went from 29.5 tyres to 31" and if the car got a bit of line it was quite unnerving. I fitted 1-1/2" lowering blocks and it was fine after that. Mick
69 Dart GTS 440 mopar .590 cam, Edelbrock heads, 3200# best et 6.45, 106.78, 10.14, 132.88 mph, 1.47 60ft best 60ft 1.36