Thread: intake manifold question
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03-09-2011 08:34 AM #3
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.Hans
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