Mainship 390 Single/ fuel economy

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Apr 7, 2013
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Looking at a 1998 Mainship 390 single cat 3116 engine. What efficency can I get at low speed? Will be doing the loop this year.
 
Looking at a 1998 Mainship 390 single cat 3116 engine. What efficency can I get at low speed? Will be doing the loop this year.

By all means sign up for the Yahoo group owner's site.
Bottom line is you'll get 3+ mpg at trawler speeds and that will be inclusive of genny time. For budgeting if you use 3 that will get you in the ballpark. Any better will be a bonus.:dance:
 
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