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Join Date: Nov 2005
Location: Carbon County Pa/Kidder Township
Re: not happy with my repower
Good Luck with your new engine.
I find it hard to believe you got more top end speed out of your old engine then you are with with the new one. Robaloís are a heavy boat and I think it was underpowered with the 150 so there must be some other issue for the loss of speed and burning more fuel.
I have a 25 ft Grady White that I repowered 2 seasons ago and went from 2 200 HP Yamahaís to 2 200 Mercury Veradoís and didnít like how the boat handled either. It was slower at WOT by 3 MPH and hopped like a bunny out of the water going against the tide. It also lost its bite going through the Rips and inlet. I started to feel I made the wrong choice. I went back to the dealer and he started changing out props. Since he was using his demo props and he changed them it didnít matter to me how many times he had to change them, I wasnít happy and for what I paid for the motors he had to make it right.
It took 6 prop changes to get where I could live with the results. Some gave me more MPG but were slower, others didnít have the biting power needed to move the weight of the boat, 205 gal of fuel and 5 fisherman and gear.
They ended up putting on 4 blades, 15.25Ē props. End result Iím still 3 MPH slower than with the old engines, but get better fuel and the butt of the boat holds the inlet and rips like there were tires on the back.
Talk to whoever you brought the engine from and let him know what your concerns are. In my case it was more the props then the engine and I am sure you will find the same with your situation.
My ability to remember lyrics from songs of the 60's far exceed my ability to remember why I walked into the kitchen