Re: 30\'s on an 86? Will it work
AS long as the 30" Super Swampers aren't over 10" wide, they won't rub if mounted on stock S10 wheels. They will not wear as good as a BFG or a more street-oriented tire, but kick ass Off-Road.
Maybe pick up some late-model S10 4x4 wheels.
1989 GMC S-15 4x4 4.3L/700R-4, 3.08s, 31" Sport Kings For Sale
1985 S-10 4x4 Soon to have 3504BM/TH350/D44/14FF, 35" Boggers