Quote:
Originally Posted by 25stevem
You know It hard to tell from the audio in that video, but I am questioning if you might have a failed exh header gasket since these can sound just like miss adjusted rockers.
Just for S & G put the valve cover back on and and pull a plug wire, is the noise still taking place?
If yes then shut the motor down put that wire back on and remove another wire and start the motor to listen.
Do this with all 4 cylinders on that bank and see what the put come is.
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I agree with the exhaust noise possibly a loose spark plug. Check the basics before tearing the motor apart JMO