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View Full Version : Compression test mercruiser 350 magnum

rossmon1
06-23-2006, 05:43 PM
I am checking out a 1986 boat and was wondering if anyone had a spec for good compression reading on the 5.7l 360 motor.
gonzo
06-25-2006, 11:44 PM
Just broken in about 145PSI, Acceptable 115PSI
rossmon1
06-26-2006, 01:23 AM
For the info, the boat I saw wasn't worth going to the effort of doing a compression test, but I will be looking at others.

View Full Version : Compression test mercruiser 350 magnum