If I had a sport cruiser with B1's and I was about to rebuild or replace the drives??

Any advantage to moving up to a Bravo 3??

faster out of the hole !!

Much better ride, More steering control around docks, Hole shot will be better, More of a level ride, Less listing to one side, Might have a faster cruising speed. The only down side will be around 2-5 MPH slower at top end on avarage, No big deal for a cruiser.

What do you mean IF!!!!!! Be proud that you have joined the cruiser club. Remember my FAJA came with B3's from the factory until one day while cruising.....