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Old 10-16-2021, 09:48 AM   #18
blazer2007
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Join Date: Jan 2007
Location: vernon b.c.
Posts: 3,022
Re: would carbon knock be my problem ?

I don,t see why I would have a quench problem with a stock 350 L-48 which has 8.5-1 comp. or could I ? Valves are real nasty on top of some of the valves inside the head. No oil consumption , I will look at all the old gaskets ,I did save them. Also maybe gasket problem was my trouble. I remember looking for leaks but found none because the best I could get from a vacuum gauge on the engine was 10 HG (if that is what it is called ) so I looked for leaks. Another thing is machine shop never bored the engine out. It still has the stock pistons in it. Maybe it didn,t need it or he used oversize rings if they still do that. I was happy knowing what made the noise , now I want to know why. Will it never end LOL
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