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Posts posted by msammy93
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Engine in my trans am is a 400 with cylinder heads stamped 99. I looked them up and they are indeed 1971 heads that were rated at 265hp from the factory. Trying to find out which car these came on from the factory so I can figure out if those ratings were with a 2 barrel carb or 4 barrel. The heads are 98cc.
what care came factory with pontiac 99 heads in 1971?
in Pontiac Performance Discussion/Questions
Posted
That doesn't say what car came with the heads, just HP rating and stuff. I want to know what model pontiac vehicles had these heads.