It finally happened..
This is a discussion on It finally happened.. within the Internal Engine forums, part of the LSx Technical Help Section category; I bent a pushrod! Or at least I think I did... either that or my dam cheap headers are leaking ...
06-30-2009, 08:16 AM #1
It finally happened..
I bent a pushrod! Or at least I think I did... either that or my dam cheap headers are leaking again! anyways it coming from around piston #2 so I'm gonna replace the header gasket and I might as well do the pushrods too already... my question is, what pushrod size and what are some good ones that won't kill my pocket?
I believe hi-po answered this already for me but I forgot where it was ops:
06-30-2009, 03:15 PM #2
Stock heads? Whats not stock in the vavletrain? 7.4 is the stock length needed. Just call COMP and ask for stock LS1 pushrods. I think a set of them run 100-120 bucks. I just sent a set back and recieved somewhere around there.
What happened? Miss a shift? Why do you think you bent a PR?
06-30-2009, 09:51 PM #3
All my drivetrain is stock. And i shall call them, thanks!
And I think its that cuz I have hit the rev limiter before and it sounds something like a loose ticking noise (im not real good at describing noises ) when i rev the engine a little im guessing to about 1500 but i can clearly hear it coming from the top of piston #2.. its either that or a header leak but im pretty sure its the pushrod or maybe a loose rocker? Im not really thinking its a header leak again.. ill try to get some video of it tomorrow when i move it, i havent moved it since it started with the ticking
and if its not pushrods, well i might as well do it before it happens
07-02-2009, 04:59 PM #4
well i tried to get some video but my crappy g1 sucks a it and i have no idea what happen to my dam camera but anyways i used the old waterhouse trick and pinpointed the noise to an exhaust leak coming from under the header gasket in piston #4
07-02-2009, 05:21 PM #5
- Join Date
- Jan 2009
- Paterson/Ridgewood, NJ
Phantom Black Metallic
- 2004 GTO M6
So it's a header leak? I have been told stock manifold gaskets are the way to go with headers as the gaskets that come with the headers tend to leak. I dunno if it's the materials used to make the header gaskets or what.
07-02-2009, 05:33 PM #6
yea i've always used the stock gm ones made outta copper or aluminum, idk wtf theyre made outta of but in not about to pay $50 for the other "aftermarket" ones... efff that!!
07-02-2009, 07:15 PM #7
i reused my factory 190k mile exhaust gaskets with my headers,no leaks!
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