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Generation III Internal Engine 1997-2006 LS1 | LS6
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ls6 yellow valve spring question

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Old 01-13-2010, 04:03 PM
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Default ls6 yellow valve spring question
can they support a cam as big as ms4? what are the specs on the ls6 yellow springs
thanks
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Old 01-13-2010, 05:13 PM
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No they can not. I wouldn't recommend running them on any cam over .550" lift.

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Old 01-13-2010, 05:26 PM
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Originally Posted by Jon@Texas-Speed
No they can not. I wouldn't recommend running them on any cam over .550" lift.

Jon
good info. never considered using them but came across a cheap set and thought maybe they can take an aggressive cam
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Old 03-07-2010, 08:31 PM
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Also...Will the locks and retainers off of the stock ls1 beehives work with the ls6 springs.
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Old 03-07-2010, 08:38 PM
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Originally Posted by idunno
Also...Will the locks and retainers off of the stock ls1 beehives work with the ls6 springs.
Yeah they should!
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Old 03-08-2010, 06:53 AM
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Originally Posted by jim1450
I wouldnt use the retainers & locks, guy @ a local machine shop says they dont hold up to well & good ones are cheap insurance. Springs are good for 570 lift on a slow cam, not really good for modern grinds.
Pretty much anyone using a beehive usually uses stock locks and retainers, and that's on grinds as aggressive as .625~ lift or so. I wouldn't think you'd have a problem there.

OP, as others said, there's a reason they're cheap; .550 is max.
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