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Average top speed for single engine Gibson 37 with Penta 570

by Kevin
(West Kentucky)

I'm looking at a 1992 37' Gibson Sport Series with a single Volvo Penta 570 gas engine. I haven't had a chance to look at the props yet. I was wondering what the average cruising speed might be at about 4000-4500 RPM?

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Gibson 37 Top Speed
by: Anonymous

Good day fellow Boater,
I have a Harbor Master 37' with a Volvo Penta 260 ( 350ci V8 ) with a Bravo 2 out-drive running a 19.5 / 13 pitch propeller.. I can get about 10-11 MPH at 2800 -3000 RPM's ( no real big wind & on the lake )..I love it, great gas millage ,driving her took me a little to get used too, but I got a Revers Cup Propeller..Works great.I use my cell phone & the MPH App I downloaded to tell me ...Happy Boating my friend.

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