Guys:
I am looking for some prop advice: Here is the current set up:
1985 Dynatrac bass boat 17 ft
1985 Johnson 115hp w/ 4 blade 12 1/2 x 21 SS prop (don't know manu)
Runs 42 mph GPS with full tournament load at 4800 RPM.
I am concerned about the RPM # as most say this motor should be near...
