Need help!
I am the new owner of a 1982 3270. I just got the engines running good but now need your help with the right prop setup. The boat has 4cyl gas engines, volvo penta AQ140's, turning 140 hp each. The transmissons are 2-1 gear ratio because the boat originally had diesel engines in it. I sea trialed the boat and only got 6-7 knots at about 2300 rpm. The tranny's start to slip if I try and push it past 2300 rpm and I dont get any more speed. The current props are 15 x 6. If I went to a 16 x 16 or a 17 x 17 prop would I get more speed out of the 2300 rpm? Does a 17" prop fit in the prop pocket of the 3270. Any suggestions would be greatly appreciated. Please help!
Thanks!
Mike
I am the new owner of a 1982 3270. I just got the engines running good but now need your help with the right prop setup. The boat has 4cyl gas engines, volvo penta AQ140's, turning 140 hp each. The transmissons are 2-1 gear ratio because the boat originally had diesel engines in it. I sea trialed the boat and only got 6-7 knots at about 2300 rpm. The tranny's start to slip if I try and push it past 2300 rpm and I dont get any more speed. The current props are 15 x 6. If I went to a 16 x 16 or a 17 x 17 prop would I get more speed out of the 2300 rpm? Does a 17" prop fit in the prop pocket of the 3270. Any suggestions would be greatly appreciated. Please help!
Thanks!
Mike
Comment