Quote:
Originally Posted by jtvdude
I have a 1986 v 20 with the orig. merc 150 outboard. I am thinking of repowering it. The old motor is still running great but man it is fuel hog. Im not worried about top end. Fuel economy/power to handle rough seas is my main worry. Looking for some ideas on what to go with.
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What rpm range do you usually run on average? Most motors have a range where fuel economy is best. If you run towards the top end of the range almost all motors become fuel hogs..Mine generally gets around 4 - 5 gph at 3600 - 3900 rpm at 4300 rpm it jumps to 9 gph at 5000 plus it is somewhere around 17 gph. The rpm range that you usually run at determines your fuel economy, with a 150 you should be getting good to great fuel economy........
