Gen IV 5.3l head question?
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Join Date: Aug 2010
Location: Tennessee
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Gen IV 5.3l head question?
I have installed a 2007 5.3l GenIV engine and trans into my 1993 Chevy Z71. i have installed a mild cam, headers and cold air intake. The truck has great power, but I am looking for more. My question is has anybody had any experience with head modification, such as cnc work on factory heads or aftermarket heads. I think this is the next step in a great hp upgrade without supercharger, turbo, nitrous. Please if you have any recommendations, let me know?
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