Offshoreonly.com - 454 Mag Leak/Compression numbers

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bigredbaja

06-22-2016 06:08 PM

454 Mag Leak/Compression numbers

1998 Merc 454 Mag 296 hours where should the numbers be on compression and leak down test? Boat is a 25' Baja Outlaw if that matters.

masi242

06-22-2016 07:49 PM

I thought they were supposed to be 150.

articfriends

06-23-2016 09:29 AM

You should be in the 145 to 155 range, leakdown should be 30% or less

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