Re: Engine knock
 

And another thing....if it does come and go and is with the rpm, it also lends itself to something rolling around in the combustion chamber. There is clearance in there around the valves so mine would come and go. It depended on where the junk was in there.

Re: Engine knock
 

Thanks for all of the responses! I will keep y'all updated on what I find if anything. Yesterday I rigged my exhaust back together temporarily and didn't hear anything! I tack welded and used some metal tape to seal where I had cut it and once the metal tape blew off... there was the knock again. It's weird because the first time I heard the knock the exhaust was unmolested. I'm stumped. Also had a neighbor today lend a hand with a mechanic's stethoscope and he didn't have any luck either. Maybe I'll have some news here in the next couple of weeks. Thanks again!

Re: Engine knock
 

This thread is full of great suggestions for engine knock. I'm going to give them a try on cecilia this weekend :thumbsup: