Of course we are all assuming you have a V drive or DD
This totaly depends on the engine the hull and how the boat will be used.
Engine HP
Trany 1 to 1 or gear reduction
Boat brand and model
Do you need top end
will you be using a lot of weight
etc
Call Acme
http://www.acmemarine.com/index.html (Message edited by krbaugh on May 18, 2005)