merc 110 comp.

warlordxx

Seaman
Joined
Jul 5, 2008
Messages
54
I need to know about what the compression should be in this motor.
this motor has not been ran in about 3 years and I got 130 upper 125 lower
and my dad's motor 1971 7.0 ted williams was about 90-95
the merc is a 65
 

JB

Honorary Moderator Emeritus
Joined
Mar 25, 2001
Messages
45,907
Re: merc 110 comp.

Both engines are just fine, warlord. The spec is that cylinders should be within 10-15% of others. There is no real spec for psi.
 
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