Need Help ON CAM AND Heads
08-15-2009, 07:33 PM
#11
Staging Lane
Join Date: Jan 2003
Location: Central Iowa
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The 04 GTO has 241 heads from the factory. Bigger chambers = lower compression, etc. According to the sticky https://www.performancetrucks.net/fo...d.php?t=434396 they flow the same as the standard 5.3 heads.
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