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Old 11-14-2012, 05:25 PM
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Originally Posted by bj383ss View Post
I hear what you are saying. I did change the plugs. Did a compression check this past week and all cylinders were between 180-190 psi. I havent changed the oil in a long time because the engine only has about 3,000 miles on it. As far as going above 4500 rpm it won't go that high in gear right now! And I only put about 3 gallons of gas in the tank. The tank looked really good inside I was really surprised for being 33 years old.

I will drain the oil and cut the filter apart as you said and see if there are any signs.

5 gallons of race gas will up the octane enough so it should not knock. Still knocking after that something is up. Never seen an engine you could not drive easy and avoid it knocking. You cant put it in first gear and lightly touch the gas and let it rev up not going fast just higher rpm. It will kock right away?
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