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trop-a-cal's avatar
trop-a-cal
Explorer
Jan 11, 2014

454 Head back on engine started #7 piston noise

Now with full compression on both heads the 43,000 mile 1997 454 vortec has the same noise that it had prior to it shutting down completely. The noise was checked by removing spark plug wire and heari...
Class A
rgatijnet1's avatar
rgatijnet1
Explorer III
Jan 13, 2014
Since you have to do 90% of the work to replace one rod bearing, I would go ahead and turn the crank and do all bearings at the same time. The labor will not be that much more and the cost to redo all of the bearings may be worth it in peace of mind. Of course it is easy for me to spend your money.

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