It is my understanding that the early LS1s were the problematic rod bolt engines. I have read and been told that anything after 2000 is upgraded from the factory and that ALL of the 6.0 and 6.2 LS engines are not a problem in regards to the rod bolt failures. However, any time an engine is pushing much over the stock horse power levels they should be replaced. So for the 08 L92 6.2 the stock bolts are fine if the engine will not be spun to the moon and the power level is kept reasonable.
But as stated above. They are cheap insurance any time the engine is apart.
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Eric
1970 Camaro.....on the road someday!
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