70 hp Johnson

CJY

Lieutenant Junior Grade
Joined
Jun 19, 2005
Messages
1,242
The max rpm is rated at 5000 to 6000. Is it best to be at the top of that range, somewhere in the middle, at the bottom, or does it make no difference?

Thanks
 

Dhadley

Supreme Mariner
Joined
Feb 4, 2001
Messages
16,978
Re: 70 hp Johnson

Set it up with a normal load and shoot for as close to 6000 as possible.

Keep in mind that "Prop it out" is a general term. There are a lot of ways to gain rpm without buying another prop. Usually dropping pitch means losing efficiency.
 
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