Thread: merc 454 compression check
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posted to rec.boats
JR North
 
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Default merc 454 compression check
Good nums, if true.
JR
wrote:
Hi, just got some compression numbers on a boat I'm looking at. Here
is what they returned to me:

Merc 454, 7.4 V8, 420 hours, 1992.

Compression check : 145/140; 145/150; 140/145; 140/145


How am I looking?

Thanks



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