454 Mag Leak/Compression numbers

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06-22-2016 | 06:08 PM

bigredbaja

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From: Newburgh, IN/Freeport, FL

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.

06-22-2016 | 07:49 PM

masi242

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From: W.Spfld,Ma

I thought they were supposed to be 150.

06-23-2016 | 09:29 AM

articfriends

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From: frankenmuth michigan

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

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