stock length push rods

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Apr 5, 2010 | 11:16 AM

JeaneGrae

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stock length push rods

what is the length of stock ls1 push rods? Looking to replace them with head swap

Apr 5, 2010 | 11:36 AM

01ssreda4

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From: Turnin' Wrenches Infractions: 005

Closest you can get is 7.400.

Apr 5, 2010 | 11:45 AM

racer7088

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From: Houston, Tx.

Or 7.375.

Apr 5, 2010 | 05:06 PM

vettenuts

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From: Little Rhody

I came up with 7.385" for the stock length when I measured them a few years back. I think the diameter might be slightly below 5/16" as well.

Apr 5, 2010 | 06:42 PM

SOMbitch

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Quote:

Originally Posted by vettenuts

I came up with 7.385" for the stock length when I measured them a few years back. I think the diameter might be slightly below 5/16" as well.

vettenuts is correct on the length. Never measured the diameter just always asssumed 5/16's....

Apr 5, 2010 | 06:49 PM

racer7088

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From: Houston, Tx.

Yes and the 7.375 actually measures about 7.390 end to end that's why we use those a lot.

Apr 5, 2010 | 11:13 PM

JeaneGrae

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upgrade

When upgrading will the 7.400 cause any problems? Any recommendations?

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Apr 6, 2010 | 04:38 AM

vettenuts

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From: Little Rhody

Before you dis-assemble the motor you may want to take a measurement. As I recall the stock setup was close to 0.100" preload so the slightly longer 7.400" may put you over 0.100" preload (although a couple of vendors have told me they have seen better power set deeper). If that is the case you may want to consider the 7.375" pushrods instead.