Loud knock in LS1 after engine warms up?
#2
TECH Regular
yeah I had that sound and it ended up being a bad wrist pin, if my buddy could get a video uploaded you could listen to it and hear the knock.
How has the motor been running?
How has the motor been running?
#3
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sound
I had a loud knocking sound develope as the engine warmed up and I thought it was a lifter so I pulled the heads off and inspected all the lifters. They looked ok, but i replaced all of them anyway. I also added new heads, and put it all back together fired it up and the knock was still there. I eventually found out that it was a spun rod bearing.