LQ4 valve springs

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09-09-2008, 03:38 PM

KDT

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LQ4 valve springs

What are the LQ4 stock valve springs rated at? Are they LS1 springs?

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09-09-2008, 04:12 PM

sickREDsierra

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probably around the stock cam size is all you should use them for, around .480 ish lift

https://www.performancetrucks.net/fo...72#post3431872

this link lists all stock cam specs.

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