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Re: Grandpa's 72 restoration
Nothing wrong with the stock intake. It might have 2 holes in the carb mounting surface that connect to the exhaust cross over under the intake. Tap and plug them, they are just a pain and not needed,, the holes were discontinued around time your truck was made.
The performer is slightly more performance oriented, you will not be able to tell difference.
I hope you plan to use a Quadrajet carb.
THe Corvette over sized manifolds point straight down, unlike the stock manifolds that curve back at a 45 degree angle. Your stock exh, manifolds will be just fine, even with 383 cubes.
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