Need prop recommendation Excel 1860/Yam F70
 

Got a new Excel Viper 1860 on order, with a Yamaha F70. Any input on where I should start in propping this thing out?

13.5 x 15P

I'm running a 70 evinrude on a 17.5x60 and a 13 3/8 17p is about money. Needs a bit more cup.

Not enough juice to turn a 19p with gear on board. Over revs the 15p.

14"x17p aluminum runs really well also.

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Thanks for the input guys!