Quote:
Originally Posted by Vezo, Part II
. . . Mitch, (FlexPat) called today. A lot of variables. He has convinced me to replace water pump and have code possibly cleared. Then I think I'm going to go back to my favorite performance enhancer. A Bobs Machine Shop 5 in 1 manual jack plate. The ability to dial in perfectly to the correct prop is priceless. I do not want my cav plate even with the keel where the boat will spend the rest of its life, minus gatherings around the state. . .
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Michael,
Changing the impeller is probably not a bad idea but I'd get the engine manual first to insure that you don't create any new problems. I had to adjust shift cable on mine after dealer did the 3-year service because they didn't check the shift shaft height as specified in manual before reinstalling LU! it's an easy job but there is a new procedure for
seating the impeller that supposedly improves wp output.
Barnacle Bill knows about it and will explain it to you if you buy the parts from him.
I would NOT install a jack plate however! Your motor is already too heavy for the boat, and a jack plate just makes the aft CG shift even worse! Capt. Terry is running basically the same motor (he has the HO version) on the same boat and his AV plate is on top of the water when it's 1 hole above flush with bottom, so about 3/4" up from bottom. So, unlike me, you should be able to raise the motor high enough without a jack plate! That $ would be better spent on a good 4B prop! Denny