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broken timing chain on LS2

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Old Jul 3, 2011 | 10:45 PM
  #21  
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Originally Posted by TNTC4VETTE
Interesting. I've had several lsx motors with under drive pullies and never any problems...but that's just me.


I have over 60,000 miles on my ATI with no problems. You get what you pay for, "most of the time".
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Old Jul 4, 2011 | 08:07 AM
  #22  
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I used a Katech C5R timing chain as well. In my research I thought I read somewhere that Corvette racing has never broken this chain in the history of their racing program. If it lives up to the abuse they put those cars through, I'm sure it will work for a street car application.

Just my 0.02.
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Old Jul 4, 2011 | 09:52 AM
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Originally Posted by truckplay
did you replace the heads ? that seems like a good deal if you did. i was thinking about having mine ported. thanks for your help.

tom
Yes, but instead of LS2 heads, I used the L92 heads which are the same as the LS3 heads. They are a bargain and work great on the LS2.
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Old Jul 4, 2011 | 03:42 PM
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Default chain did not brake

chain is in 1 piece. timing gear bolts broke off in the cam, gonna take it out now. it did bent every push rod and valve though. what a mess !
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Old Jul 4, 2011 | 04:36 PM
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Originally Posted by Craigster05
Yes, but instead of LS2 heads, I used the L92 heads which are the same as the LS3 heads. They are a bargain and work great on the LS2.
A friend at GM performance told me that stock LS3 heads are better than good LS2 heads and that the LS2 intake really sucks, so LS3 heads with a FAST intake are the hot setup.
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Old Jul 4, 2011 | 04:37 PM
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Originally Posted by truckplay
chain is in 1 piece. timing gear bolts broke off in the cam, gonna take it out now. it did bent every push rod and valve though. what a mess !
Sorry to hear that, just made the job much more expensive. It is, however, a chance to build it back up right

Good luck and enjoy your 4th!

Sean
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