i swapped out a 4.3L for an MPI350 mag. 165hp to 300hp.
makes the boat so much fun to drive. coming off plane to cross big boat wake? open it up on the other side of the wake and your up on a plane in 2-3 seconds, no more "hey guys can you come up front"? 43mph (gps) top speed, 2.7mpg at cruise (33-3500rpm).
yes it sits low in the back, but i also have two type31 batteries, a bravo leg and a 9.9 4 stroke kicker and two downriggers in the back end. I needed trim tabs to help porposing.
at the end of the day im very happy with the swap, would do it again
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