Quote:
Originally Posted by TPI Monte SS
Actually, the centerbolt heads are the same pattern from '87-'95ish, 305 or 350. The Vortec heads use a different intake bolt pattern - they have 4 on each side that just go straight down into the head. The older centerbolt heads have the bolts going into the heads on an angle.
Mike, if you have an aftermarket intake already from when you converted it to a carb, it ~may~ be machined to use on Vortec heads.
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Dammit, I knew this, too. You are right. If it's an 8 bolt Vortec manifold then it will. If not, it will not and you shouldn't try to convert it. Vortec manis are not that expensive.