Need Help ON CAM AND Heads
Aug 15, 2009 | 07:33 PM
#11
Staging Lane
Joined: Jan 2003
Posts: 61
Likes: 0
From: Central Iowa
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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