Best top speed prop for 1976 40hp Johnson

aaronlee

Cadet
Joined
Jul 4, 2013
Messages
18
Have a 1976 Johnson seahorse wondering what te best prop to get top speed out of her.
 

Barnacle_Bill

Admiral
Joined
Feb 8, 2004
Messages
6,469
Re: Best top speed prop for 1976 40hp Johnson

What size prop is on it now and how many RPMs does it turn at WOT?
 

bonzoscott

Senior Chief Petty Officer
Joined
Jul 26, 2008
Messages
745
Re: Best top speed prop for 1976 40hp Johnson

Boat weight as well. If it's a 15-16 ft tinny, loaded - somewhere between 25 & 30.
 

aaronlee

Cadet
Joined
Jul 4, 2013
Messages
18
Re: Best top speed prop for 1976 40hp Johnson

5000 rpms I believe the boat weights around 850lbs. And goes around 22mph now
 
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