1970 seahorse on a 15ft lund without prop

[Donaldb]

I have a 1970 40 hp seahorse on a 15ft aluminum lund with. 600lbs of men and gear motor does not have a prop what did factory come with

 

[jimmbo]

Welcome aboard iboats
http://boatpropellers.iboats.com/Jo...lers/?chart=11&engine_id=43&cart_id=007532716

Either of these will be very close. Myself, I would go with the 11 1/2

Just FYI, that engine was shipped with a variety of props depending on the year, 14, 13 1/4, 13, and 12.

 

[Donaldb]

Welcome aboard iboats
http://boatpropellers.iboats.com/Jo...lers/?chart=11&engine_id=43&*******=007532716

Either of these will be very close. Myself, I would go with the 11 1/2

Just FYI, that engine was shipped with a variety of props depending on the year, 14, 13 1/4, 13, and 12.

Thanks for advise i will start there