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Old 12-12-2004, 05:49 PM   #1
Locutus
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Join Date: Jan 2003
Location: Santa Fe, Texas
Posts: 249
Engine Knock on fresh rebuild

Today we fired up the engine for the first time and ran it thru the break in. After we came back from lunch we fired it up again and it has developed a knock when I let off the gas. It not advanced and I don't think it is detonation since it only seems to do it when you let of the gas. Any ideas what it could be??? I already fear we are doomed to pull the engine and have to start over
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