Adding a set back? Yes or no?

[10sne1]

I have a 1870 Aluminum Triton, 115 Yami four stroke. Runs a nice, WOT full load 43 mph. My machanic sujested a set back to improve performance and ride? How much set back if any would you add. And would you consider doing this. Mechanic is not selling me this set back, just talked about it in conversation.

 

[gatorglenn]

Yes, it will perform better all around. No more than 6” no less than 4”. 4” is more common for aluminum boats with your 115hp. But 6” is better, that’s the one I would use.


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[DaleH]

Set back & move up (height).