Improving Fuel Efficiency/MPG; Any Suggestions?

RoughSeas

Member
Joined
Feb 10, 2021
RO Number
2582
Messages
3
In late 2004 I put a rebuilt 250cid, 165 HP in-line 6 into my 4500lb, 23' fiberglass cuddy cabin boat. The repower included a new 2bbl carb. WOT is 3900 rpms, but I generally cruise at about 3300.

I'm getting about 2 miles per gallon, and I'm wondering if that's normal. If this is normal, well so be it. If not, does anyone have any thoughts about what I can adjust to squeeze out more MPG?

Thanks in advance!
 
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