Thread: 2.19 intake valve
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  #13  
Old 12-21-2022, 09:12 AM
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slowbird slowbird is offline
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Join Date: Jan 2001
Location: Montgomery, IL
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Unless it's a power adder build there is zero reason to install a 1.77 exhaust valve in an aftermarket Pontiac head. Biggest I personally would ever go is 1.720.
FWIW I made 1050hp na with a 1.700

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