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Old 06-18-2017, 07:03 PM   #13
jg61hawk
Senior Member
 
Join Date: Oct 2014
Location: Central New Jersey
Posts: 407
Default Re: Knock, knock, knock sound

I'm probably way off BUT a video is hard to say exactly what...but I had what I thought was a rod knock and it was only a head gasket. Does the sound change with the timing changing and also spray soap around the head and see if you see bubbles. What do you have lose...go simple first.
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