pushrods for LS6 cam?

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Mar 20, 2016 | 02:16 PM

dailydriver

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From: Bucks County, Pa.

pushrods for LS6 cam?

If I use a (NEW) LS6 cam, with LS7 lifters, and stock rockers, in an early, 241 headed, 2000 LS1, will the stock length 7.400 pushrods work without all of the length checking 'rigamarole'/complications?

Is the LS6 bumpstick small enough to work with these, and if not, which ones, and with what springs (LS6, mild PACS/Comps/Lunatis/etc.)?

Thanks in advance.

Mar 20, 2016 | 02:58 PM

CattleAc

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From: Dakota Territory

Quote:

Originally Posted by dailydriver

It might work, but it won't be right...the "5308" LS6 cam has a .050" smaller base circle than the other LS1 cams. It requires a longer pushrod. I used 7.425" pushrods in mine.

Quote:

Originally Posted by dailydriver

Is the LS6 bumpstick small enough to work with these, and if not, which ones, and with what springs (LS6, mild PACS/Comps/Lunatis/etc.)?

Thanks in advance.

I used stock rockers, the $53 "blue" GM valve springs, and the longer pushrods...worked great.

EDIT: I should have added I measured 2 or 3 times to come up with my final measurement...lots of reading...measure twice, order once...

Last edited by CattleAc; Mar 26, 2016 at 06:55 PM.

Mar 20, 2016 | 03:02 PM

dailydriver

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From: Bucks County, Pa.

THANKS!

Mar 20, 2016 | 03:35 PM

big hammer

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From: over dere

Stock ls1 pushrods are actually around 7.380. If you have 7.400 they might work. Just have to check your preload

Mar 20, 2016 | 06:29 PM

MuhThugga

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It isn't that hard to check. Hell, I put an LS2 cam in a 5.3 with 862 heads and LS7 lifters and wound up needing 7.325" pushrods for proper preload. It is one of those things where you don't want to assume.

Mar 20, 2016 | 06:58 PM

vettenuts

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From: Little Rhody

The LS1 and LS6 used the exact same pushrods, but the LS6 had slightly taller valve stems. Your originals should work OK since stock preload is around 0.100" from those stock setups I have measured.