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Old 05-18-2013, 05:29 AM   #6
Tom Wesenberg
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Location: Mpls, MN
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Default Re: Engine noise at 40mph

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Quote:
Originally Posted by Bob from Northport View Post
The noise appears at about 42 mph. It gets louder as the car accelerates. I believe it is wrist pin noise. The noise goes away when the car decelerates. We were told the engine had been rebuilt, but a compression check indicates 45 to 50 lbs on all but one cylinder, and oil on the #1 plug.
How much compression one that one cylinder?
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