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Old 03-19-2003, 12:49 AM
sbourg sbourg is offline
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Join Date: Jul 2001
Location: SoCal
Posts: 1,303
A compression test will tell you if you need a valve job - i.e. the valves are not seating properly, or if the rings are bad. Since the valves are closed in the compression stroke, you will get no information about the guides or seals. Indirectly, if compression tests good, you can be pretty sure the burning oil is mostly draining down the valve stems.

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