Quote:
Originally Posted by Pop's C-10
you have to get a vortec intake..reworked 55-86 in takes will only work if you using 87-95 heads..vortecs are a different animal.
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That is a fact. Vortec intakes don't even have the center bolt holes. Just the pairs on the ends. It's a whole different animal.
Other considerations....
-You have to have self aligning rocker arms. You can get them off any center bolt head or vortec head engine or buy new.
-Obviously different intake as discussed above along with the vortec specific intake manifold bolts and gaskets
-Center bolt type of valve covers and gaskets