Bad oil leak/crankcase pressure on 91 Prostar? Advice needed
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07-20-2013, 04:13 PM
Join Date: May 2010
Boat: 1989 MasterCraft TriStar 190 SE
Location: Houston, TX
Originally Posted by
isn't there a spec for leak down numbers for your motor? I always thought numbers were above 150psi..?
Perhaps you are thinking of compression numbers, you are wrong, minus 7 mcocd points for you.
1989 MasterCraft TriStar 190 SE
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