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#30
by
burn_your_money
on 18 May, 2010 18:55
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I think an update is required...
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#31
by
macka
on 19 May, 2010 05:07
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I think an update is required...
ditto
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#32
by
zukgod1
on 19 May, 2010 09:43
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Oh hell..
Well I experienced a catastrophic failure.. I do NOT believe it was linked with the CNG although the CNG may have accelerated the problem.
The timing belt broke on the previous owner, there were valve impacts on cyl #2 and #4. Well cyl #2 and #4 are now broken and cyl #3 has been beat up pretty good.
I have a big expensive pile of parts on the way to reassemble it.
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#33
by
zukgod1
on 19 May, 2010 09:45
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#34
by
burn_your_money
on 19 May, 2010 09:52
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Yikes. What do you figure happened?
It looks like you should get your injectors checked based on that last picture
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#35
by
zukgod1
on 19 May, 2010 10:32
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Those are "SMACK" marks from the piston getting beat up but a piece if it's self Tyler.
Thats a really bad pic but look close, to the right of the chamber from 3 down to about 5 o-clock, that piece is MIA and is the cause of what you are seeing.
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#36
by
burn_your_money
on 19 May, 2010 18:41
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OHHHH.
Ouch.
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#37
by
Vincent Waldon
on 19 May, 2010 19:51
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A bit hard to be sure, but I see both smack marks and a horrific amount of piston erosion??
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#38
by
truckoSaurus08
on 21 May, 2010 11:01
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Thats too bad.

Was really looking forward to results. What plans do you have now?
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#39
by
burn_your_money
on 26 May, 2010 19:36
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What do you think caused the problem? How do you think CNG accelerated the problem? I was all gung-ho to do this on my truck but I'm a bit hesitant now.
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#40
by
Baron VonZeppelin
on 26 May, 2010 20:43
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It may have been a time bomb anyway when you bought it.
If it was a "patch it up cheap as you can, and i'll sell it quick" kinda thing.
On something like that - any power increase would have accelerated failure. May have even been part of why it was "de-tuned" when you bought it.
Just thinking outloud.
Good wishes on the next round.
Sounds like you need a designated driver to wheel it while you tune it - don't run over top of a school teacher in her Prius out there.