INTERNAL ENGINE MODIFICATIONS Valvetrain |Heads | Strokers | Design | Assembly

862 heads

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Old 06-29-2010, 07:34 PM
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Default 862 heads

Are the 862 heads worth a port and polish performance wise for a moderate 5.3 build?
Old 06-30-2010, 12:20 AM
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Yes. You will see the added benifts if done properly

https://www.performancetrucks.net/fo...d.php?t=434396
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