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Generation III Internal Engine 1997-2006 LS1 | LS6
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Legal Heads?

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Old 04-08-2006, 06:49 PM
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Default Legal Heads?
What kind of heads are street legal? AFR's and what else? Will be matching a Tr224/224 112. Thanks!
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Old 04-09-2006, 01:04 AM
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bump.... anyone?
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Old 04-09-2006, 01:21 AM
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I think the cam is what really dictates the emissions, the heads shouldn't affect it much unless they really bump the compression up. And from what I gather, that cam will pass with a good tune.
Doug
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Old 04-09-2006, 04:09 AM
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That cam will have a hard time in Cali. Good emission cams should have a -7 degrees overlap. You can get away with -4 or so with kick *** tune and fresh cats.
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