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Old 03-14-2010, 08:38 PM   #10
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Default Re: Compression test?

Quote:
Originally Posted by Cam View Post
How does the information from a compression test compare to a leak down test? Which provides the best info on engine condition?
With leak down you can hear the air leaking and determine if the probelm is rings, exhaust or intake valves.
In stock what are good leak down numbers, when is it time to re ring or do the valves?

Engine leak test 101

http://www.carcraft.com/techarticles...ter/index.html
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