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| Non Pontiac Motors in Pontiacs includes factory 403,305,350 Chevy, Buick V6, Also Pontiac Motors in non-Pontiacs! |
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#6
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The heads will fit the 455. But with common flat top pistons, the compression will be about 11:1 to 11:5 so if you want to run pump gas, it will be too high. Might look into a dish piston for that setup. Thanks for saving that T/A.
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