hello everyone , here I have a 1992 sea ray 270 weekender , 454 big block carter carburetor bravo 2 outdrive.
since owning the boat it never reaches max rpm, right now max rpm is 4000 , with half tank off gas only me on board.
the propeller is a 21 pitch 3 blade in great condition, the hub is not slipping , plugs wires rotor are all new , dist cap is old ,.
the upper drive ratio gear tooth count is 27 32 which is a 2.0 the lower half I bought from ebay , could it be I have the wrong lower half gear ratio. how can I check the lower to make sure it is a 16/17 gear set in it?
lastly how many ratio are available for a bravo 2 lower unit?
if I should get a bravo 3 lower what should the lower ratio be ??
I don't see why a bravo 2 cant turn a 21 pitch prop over 4000 rpm , thanks for any help in advance .
since owning the boat it never reaches max rpm, right now max rpm is 4000 , with half tank off gas only me on board.
the propeller is a 21 pitch 3 blade in great condition, the hub is not slipping , plugs wires rotor are all new , dist cap is old ,.
the upper drive ratio gear tooth count is 27 32 which is a 2.0 the lower half I bought from ebay , could it be I have the wrong lower half gear ratio. how can I check the lower to make sure it is a 16/17 gear set in it?
lastly how many ratio are available for a bravo 2 lower unit?
if I should get a bravo 3 lower what should the lower ratio be ??
I don't see why a bravo 2 cant turn a 21 pitch prop over 4000 rpm , thanks for any help in advance .