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Jan 23rd, 2013
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75 hp etec prop question #12410299
09/01/17 07:53 PM
09/01/17 07:53 PM
Joined: Jan 2015
Posts: 65
P
plk1122 Offline OP
Outdoorsman
plk1122  Offline OP
Outdoorsman
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Joined: Jan 2015
Posts: 65
Hey folks,

I currently have a stock aluminum 14x17 prop (part 177131). My max rpm is 5100 and i think i go ~34mph (gps) on 1860 cc boat.

I would like to get another prop, Number 1 for a back up, Number 2 to maybe get a better performance, go faster, prevent boat form porpoising. Props are very confusing and from what i gather its kind of a pick one, try it out and if its not good then pick another one. The rpm range is pretty good with the 14x17 prop so I think its good to stick with that but they make all different kinds of and manufactures of props. Anyone have an suggestions? Is cupping a good thing on a prop?

Re: 75 hp etec prop question [Re: plk1122] #12411878
09/03/17 02:03 AM
09/03/17 02:03 AM
Joined: Mar 2005
Posts: 1,570
Kaufman
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psycho0819 Offline
Extreme Angler
psycho0819  Offline
Extreme Angler
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Joined: Mar 2005
Posts: 1,570
Kaufman
Call Josh over at Steve's Custom Props in Quitman. He'll shoot you straight. He helped me setup my rig and predicted the result of every change we made.

As you might already know, weight distribution makes a big difference as well. My XP1860 porpoised horribly until I moved the two TM batteries under the center console, it helped a lot but still porpoised. Jackplate, then a new prop, and she's doing about all I could expect her to now.

Yours have a jackplate on it? If not, I'd consider that before a prop.


If you're not living on the edge, you're taking up too much space!
Re: 75 hp etec prop question [Re: plk1122] #12418881
09/08/17 12:54 PM
09/08/17 12:54 PM
Joined: Dec 2002
Posts: 3,667
Rockwall, TX USA
Tommy Yetts Offline
TFF Team Angler
Tommy Yetts  Offline
TFF Team Angler

Joined: Dec 2002
Posts: 3,667
Rockwall, TX USA
If everything is set up properly on the motor then you definitely need a smaller pitch prop. 13" or 15". That motor needs to turn up higher rpms.


Rockwall Marine
Tommy Yetts

www.rockwallmarine.com
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