4.8L build

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Jun 13, 2008 | 09:44 PM

#11

Clementeunknown

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BTW 4.8s have flat head piston heads and 5.3s have dished.

Jun 14, 2008 | 09:47 AM

#12

MPFD

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From: Kansas

Regardless, camming with a good street grind for building midrange horsepower will be the best internal engine mod you can easily do. Your heads will be fine unless you want a full kill racecar.

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