Generation III Internal Engine 1997-2006 LS1 | LS6
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Old 03-17-2007, 12:10 AM
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Originally Posted by -Freak-
i hope i never experience that.

anxiously awaiting the story.
He bolted down the rockers and turned it over....without the pedestal below the rockers.


https://ls1tech.com/forums/generation-iii-internal-engine/676724-i-feel-sick-don-t-work-your-car-late-night-help-please.html
Old 03-17-2007, 01:13 AM
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Originally Posted by Matt2105
Looks like a pushrod went through your pistons?!! Doesnt make any sense though...Dont see how that could happen.

He mentioned on another board...

Originally Posted by Mike94ZLT1
Nope. It had 8k miles on it like that, I had it apart to change some bad valve stem seals (which is why there's all kinds of crap on my pistons it was burning oil) and I ****ed up reinstalling my rockers. I've been working on cars for the majority of my life, and I've done several head and cam swaps on LS1's, so it's safe to say I've taken the valvetrain apart many times. It was late, and I was in a hurry. I was rushing because I was excited to drive the car which I really hadn't driven since last august due to my wild west adventures and then winter. Now I wont be able to drive it for another 2 or 3 weeks at best.
I could see forgetting the rocker 'seats', or whatever they are called would cause a SERIOUS problem. But if the rocker got loose, the valve might not drop due to the retainer locks.

Last edited by bayer-z28; 03-17-2007 at 01:18 AM.
Old 03-17-2007, 06:56 AM
  #43  
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Originally Posted by PewterY2KZ28
I feel ya buddy... this is from my old motor...
[IMG][/IMG]
I don't see anything wrong here... What am I missing. Can someone please circle the bad part for me?

Seriously dude, sorry that happened... I know how you feel. I'm just finishing up my new motor. Hopefully I'll get it installed today. Best of luck to ya man!
Old 03-17-2007, 08:53 AM
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Death via hardened pushrods.
Old 03-18-2007, 01:43 PM
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Rocket studs go through the head. They were down farther than they should be and punched the hole in the pistons, not the valves.
Old 03-18-2007, 05:10 PM
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Originally Posted by davered00ss
Rocket studs go through the head. They were down farther than they should be and punched the hole in the pistons, not the valves.


last time i checked the rocker studs go down into the intake runner... not into the combustion chamber.
Old 03-18-2007, 06:00 PM
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I can see where the valves kissed the piston, but the melted through hole is very close to the spark plug.

My $.02 is that it is burn through from nitros.
Old 03-18-2007, 07:31 PM
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I'm guessing that the intake vavle snapped, and on the next revolution, the valve stem punched the hole into the top of the piston.

Ouch, that sucks man. Good luck and keep your head up.
Old 03-18-2007, 08:16 PM
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Originally Posted by The Alchemist
I'm guessing that the intake vavle snapped, and on the next revolution, the valve stem punched the hole into the top of the piston.

Ouch, that sucks man. Good luck and keep your head up.

Good explanation, but I don't think for all the pistons that have damage in the same place, hoiwever, after rereading everything, you might be right if the valves are broken off.

Is the one picture of "half a piston"? That is, did you break off a piston also?

Last edited by heavymetals; 03-18-2007 at 08:22 PM.




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