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Generation III Internal Engine 1997-2006 LS1 | LS6
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comp cam 212 218--560 lift on a 115 lobe

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Old 02-09-2004 | 09:13 PM
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Default comp cam 212 218--560 lift on a 115 lobe
i have 03 zo6 valve springs will they be fine or should i buy 918's???


this cam is going in my wifes yukon denali 6.0 only going to rev to 6000 rpm


thanks
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Old 02-09-2004 | 11:35 PM
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I say run the LS6 springs.
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Old 02-10-2004 | 11:07 AM
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I would go with Comp 918s...you're pushing the limit with the 02 LS6 springs.
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Old 02-10-2004 | 11:20 AM
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I think the LS6's would be almost to their rated peak, and would go either way.
That cam is not very much bigger than a LS6 cam.
The 918's would be safer.
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Old 02-10-2004 | 03:08 PM
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You'll need 918's with that cam. That cam has the XE lobes, LS6 springs don't like XE lobes.
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Old 02-10-2004 | 03:17 PM
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Yeah I would go 918s as well.

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Old 02-10-2004 | 08:07 PM
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good insurance to do the springs.
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Old 02-10-2004 | 09:58 PM
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Go with the 918's. Its not worth floating a valve
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Old 02-10-2004 | 11:14 PM
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thanks 918 it is
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Old 02-10-2004 | 11:38 PM
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OK, go with the 918 springs. I'm running that lift cam on 918s.

Doesn't GM run the ASA cam with LS6 springs?

I'd be concerned with valve float on LS6 springs, but with only 6000 rpms... Just a thought / question.
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