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prop size 150hp mercury

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  • prop size 150hp mercury

    What prop for Glastron G180 deep vee weight 1350 150hp 87 black max Got a SS 5 blade on now not sure what size Thank for help

  • #2
    Its a High Five Looking for better fuel useage

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    • #3
      Without knowing what the Pitch is and what rpms the engine is getting at WOT with the current prop, an accurate recommendation is not possible

      https://forums.iboats.com/forum/gene...ead-this-first

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      • #4
        Ok I never had boat out except test run when I bought was told prop was for towing water board was going to get a spare 3 blade will have to take prop of when its warmer thanks for help

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        • #5
          I found a 14.5x19 alum 3 blade you think it be ok for spare

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          • #6
            Start with this. https://www.iboats.com/shop/boat-propellers.html. It will give you a choice of several brands.
            Other prop manufacturers like Michigan Wheel, Turning Point, Stilleto, ect. have similar selection tools.
            '96 Larson 174 SEI BR. 4.3LX 4 bbl Weber s/n 0F786604. Alpha One Gen II s/n 0F709315

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            • #7
              Originally posted by pppsmurf47 View Post
              I found a 14.5x19 alum 3 blade you think it be ok for spare
              Yep. That's about the right pitch for your setup.

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              • #8
                You’ll need more than a 19” pitch on that set up for certain. Guys run 21 and 23” with that motor on similar boats.
                High 5 props are only good for skiing and boarding. Not for anything else. They certainly won’t make it better on fuel than a 3 blade of same pitch and also loose out on performance top end.

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                • #9
                  A 21" Enertia would be in my Guesstimate, just about perfect. It would also allow you to raise the engine up to where the Anti-ventilation Plate is about 1 1/2" higher than the standard mounting height. Great prop, and others will agree with me on that

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                  • #10
                    I would try the 19P prop. Your motor is likely the 2.0L version of the 150HPV6. I have some experience with a similar motor (1993 2.0L 135HPV6), and that 21P prop may be a bit too tall.....

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                    • #11
                      I was initially going to say a 20 inch, but... though the 150 only has 122 cubic inch displacement, it is a torquey engine with a good top end so I added an inch

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                      • #12
                        19 pitch aluminum is close. If it was used for water sports it likely deeper
                        When in doubt,Trim it out!!!
                        Business Owner & Certifed Technician
                        Boats I own & use
                        20ft Javlin w/250 Junkrude
                        17ft Bullet w/200 Merc (SOLD!!)
                        13ft Allison w/150 I-6
                        17ft Hydra-Sport 175GT
                        15ft Allison w/75 Stinger(project)
                        14 x 48 Drifter with 1100SS Merc

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                        • #13
                          Going to try 19 in when I get it in water .What wot rpms should I shoot for with this motor Thank for all the help

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                          • #14
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                            WOT range for your engine is 5000 - 5500, Try to prop for 5400 - 5500,

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