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hom much lift on stock springs?

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Old 10-18-2004, 07:21 PM
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Default hom much lift on stock springs?

Hi guys I just bought a second LS1 its a 99 ws6 I was wondering seeing how its different from my 02. How much lift can the stock valve springs take Ihave some 1.8 rockers I want to put in but not yet If. I need new springs. Thanks for you help.
Old 10-18-2004, 08:06 PM
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stock springs r probably good to .500" or so... hotcam/'01 ls6 springs r rated to .525", (maybe a bit more), and '02+ ls6 springs r good to .570"
Old 10-18-2004, 08:48 PM
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^ i don't think thats right. the stock cam lifts to about .500, and the hotcam lifts to .525, but i'm pretty sure both of those springs could handle more... how much more? i do not know.
Old 10-19-2004, 06:46 AM
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The only way I would keep stock springs are with stock cam and valvetrain. too many people have had problems with this, I wouldn't take a chance. LS6 springs (either type) should work fine for higher lift rockers.
Old 10-19-2004, 07:11 AM
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I agree. The OEM LS1 valve springs are barely adequate for the stock setup.
Old 10-19-2004, 07:13 AM
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Do the 02's come with ls6 springs?
Old 10-19-2004, 07:21 AM
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Originally Posted by rufretic
Do the 02's come with ls6 springs?
No. All LS1 motors come with LS1 springs.




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