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Old 10-05-2016, 04:56 PM   #45
Lefkada
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Join Date: Dec 2015
Location: San Diego, CA
Posts: 51
Re: First motor start, terrible knocking

Quote:
Originally Posted by Marshy View Post
Did you turn the motor over without plugs in it yet? I'm wondering if maybe you should take the plugs out and turn it over by hand to see if you can feel where it might be "catching" and listen to the possible source of noise. That will eliminate all other background noise. Good luck.

If you dropped a valve it would be hammering away. The plug might give you some insight if its off color of has metal flake on it.
I haven't cranked it without the plugs in yet, but I will give this a try.
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