Quote Originally Posted by firesign74 View Post
In a thread I was working with yesterday(on a different site) a user notified me that an intake manifold from an 1981 350 would fit on a 1992 tbi 350
if I just remachine the 4 center bolts.Does anyone have any expeirance with this, or can anyone validate the feasablity of this techniqe
This is partly true. The four center bolts on Vortec type heads are vertical, but I don't think the '92 heads are Vortecs. It has nothing to do with the center bolt valve covers. Some aftermarket intake manifolds have slots for the center bolts, so they fit both types of head. If your manifold is aluminum it shouldn't be that hard to modify.