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Old 10-03-2016, 11:29 AM   #23
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
Ok, compare the numbers and let us know.

What head gasket did you use (thickness)?

The frequency of the noise seems relatively high. My fear would be pistons contacting something but I wouldnt expect it to run long like that if it was.
I'm having trouble figuring out the head gasket thickness. I used the heads gaskets from this Fel-Pro KS2600 kit: https://www.summitracing.com/parts/fel-ks2600/overview/

Edit: according to the description, the kit comes with these head gaskets: https://www.summitracing.com/parts/fel-7733pt2 (4.125 in. Bore, .039 in. Compressed Thickness)
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1972 C/20 LWB, 350/350

Last edited by Lefkada; 10-03-2016 at 11:41 AM.
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