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Ranger Z521 Prop Recommendation
Have a Ranger 521 w/250 Mercury Pro xs; running a 24 pitch Tempest. Speed 69mph and 5900 rpm. my goal is to improve mid range and improve fuel economy.
At 40mph I'm 4mpg. At 50 about 3 mpg. To calculate mpg I divide gph on smart craft gage into mph. Example 10 gal per hour into 40 miles per hour= 4 miles per gal. I would like high mid range speed with better economy. I hauling 5 batteries and two power poles and atlas hydraulic plate. I am considering a 4 blade Fury? Any help would be appreciated. I drove Allison for 20 years and this a culture shock!!! Thanks
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What pitch? Did you ever try a tempest? Thanks
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I have a 25 pitch Fury 4 on my 2014 Z521C and I would recommend this to you. I run a 25 pitch Fury 3 in the hot summer months.
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If you want better fuel economy either slow down or by an 18fryer with a 150. Unfortunately it is a reality that the larger, wider hulls with big motors are going to drink the fuel. Your fuel savings will be minimal with only a prop change.
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4 mpg is pretty good imho not sure your gonna get much better than that, I’m sure hull efficiency is far greater with your prior boat.
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Okay guys; got my 25 Fury Four yesterday; any suggestions on where to start with the PVS plugs? Awesome looking prop! Thanks for all y'all help.
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Ranger Boats Moderator
All holes open is where I’d start.
John Clark — Findlay, Ohio
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