Originally Posted by DBRODS Nothing on a OBS is 1/2". All metric. God I wish everyone knew that and went with it, my brothers '91 is a mess of stripped off nuts and bolts from hacks who just don't realize SAE for the most part is dead.
2006 SilveradoLittle Black Bitch
Originally Posted by DBRODS Nothing on a OBS is 1/2". All metric. whoops... i missed an O i was talking about the 73-87s
00 FRC - just top end, exhaust, and a hot-air intake 99 Sierra - 5.3 / 5spd ↓ click the pic for the build ↓
Forum Rules