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4.8, 5.3, ls1, ls6 stock heads comparison info

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Old Jun 5, 2010 | 07:48 PM
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Default 4.8, 5.3, ls1, ls6 stock heads comparison info

if you guys can help clearify some specs just looking to find which would be better setup with a fairly strong cam on a 5.3 into a iron block 5.7L.
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Old Jun 6, 2010 | 10:03 AM
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Great info here:

https://www.performancetrucks.net/fo...d.php?t=434396
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Old Jun 6, 2010 | 10:06 PM
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which combo would have the best overall power performance?: 5.3l camed with ported, polished, and 2.02 valved ls1 heads, : or an iron block 5.7l camed using 5/3 l heads ported, polished, and 2.02 valves/ ls1 heads. want a strong motor and plan on supercharging later on.
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