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Ls2 with ls3 heads mill question

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Old 07-06-2012, 08:05 AM
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Default Ls2 with ls3 heads mill question

Putting some ls3 heads on an ls2 with a 227/235 .613/.621 cam. Can i get away with a .030 mill??stock ls2 piston and gm mls head gaskets.
Old 07-06-2012, 09:42 AM
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.030" will be tight, but with GM valves in the heads you SHOULD be good to go. As always, be sure to measure to be sure!
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Old 07-06-2012, 01:17 PM
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Originally Posted by Matt@Texas-Speed
.030" will be tight, but with GM valves in the heads you SHOULD be good to go. As always, be sure to measure to be sure!
thanks! I will definitely double check. Would .020 be better off? Just trying to keep the stock compression or very near to it. I will double check but just dont want to cut the heads prior too much. You can't add too much back after its been cut.
Old 07-06-2012, 01:22 PM
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The extra .010" of clearance will help for sure.
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