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LS2 and ms4 pushrod length?

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Old 07-08-2010, 09:06 PM
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Default LS2 and ms4 pushrod length?

OKk i sold my 98SS and i never installed my TSP MS4 cam kit. I have 7.425 pushrods. What is the correct length pushrods for a ls2 with stock 243 heads and a MS4?
Old 07-09-2010, 12:37 AM
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Measure.
Old 07-09-2010, 01:12 AM
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A trick flow pushrod length checker is $11 in summit, and I think the comp one is $16. I'd check it myself before I asked on here.
Old 07-09-2010, 08:09 AM
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What is an MS4 ???
Old 07-09-2010, 10:30 AM
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The 7.425" should put you in the right range, but these guys have the right idea. You always want to measure this kind of thing because every motor is a little bit different.
Old 07-11-2010, 10:58 AM
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Originally Posted by melsie68
What is an MS4 ???
From Texas Speed's web site
Originally Posted by www.texas-speed.com
All New Magic Stick 4 Camshaft!

Magic Stick V.4 239/242, .649"/.609" Camshaft With Your Choice of Lobe Seperation (111 LSA Standard)

The Magic Stick V4 camshaft is Texas Speed's premier LS1 camshaft!

The MS4 camshaft is the result of extensive engine dyno testing & research! Engine dyno results have shown over 80 horsepower gains with no other changes on a stock 2001 LS1 engine!!

2300-6800 RPM Power Band with a peak around 6400rpm; This is an excellent performance camshaft with a rough idle! Custom tuning and PRC dual valve spring kit required

This camshaft typically gains approximately 60+rwhp!
link
http://www.texas-speed.com/shop/item...d=666&catid=44


Now for the original question.
Originally Posted by cabotgsxr
OKk i sold my 98SS and i never installed my TSP MS4 cam kit. I have 7.425 pushrods. What is the correct length pushrods for a ls2 with stock 243 heads and a MS4?
Get a pushrod length checker.
Some lifters are known to have a different plunger heights (even OEM GM units vary).
Example:
If the heads are not shaved and your set of lifters have taller plungers, then you would end up needing shorter push rods.
If the plunger is lower/shorter in the lifter then you would need longer push rods.

It's always best to check for piece of mind -vs- having a bad rocker swipe and shorten the life of your valve train.

Last edited by Bring the Noise; 07-11-2010 at 11:10 AM.



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