HI ok lets get the just put a 350 in just fit a lt1 cam over.thear dun any more ?? ok ive got a 88 firebird with a dead lo3 dead cylinder i have a 350 with no cam just block crank pistons and heads .all the parts of the 305 will fit in the 350.inc the cam yep tbi cam crappy .whot would happen if i was to change to 1.6:1 lifters will this wake it up will it screw with the vacume etc ? thanks steve