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Old 07-19-2011, 08:16 PM
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Small block Chevy cooling {intake gaskets}

What is the determining factor on a SMB Chevy as far as when to use the metal restrictor tabs that come with most intake gasket sets? I did some work on a 90' TBI 350 motor recently and the intake gasket set came with the restrictors made into the gasket.
I have never seen any information as far as what year model small block requires the restrictors and when they need to be discarded. I know there has to be a reason for the restrictors, so someone please clue me in on it.
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