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  1. #11
    Join Date
    May 2018
    Posts
    1,421

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    Quote Originally Posted by flienlow View Post
    I go out for around 2-3 hours and burn 12+ gals that I put in my boat. It is not even in the ball park of what you guys are stating. 2.4 GPH is a diesel trawler fuel efficiency and I am extremes skeptical of those numbers. My last Raptor 400 LSV with a Acme 1617 was no where near that good even after changing from the 537.

    That said, if I can get it I will take it with the 945.
    For your 3 hour session, are you surfing the whole time? Even the 4 gph is pretty good still for surfing.

    Donít the Malibu/Axis get closer to 7gph?




    Sent from my iPhone using Tapatalk
    2018 Supra SA 400
    Michigan

  2. #12
    Join Date
    May 2018
    Location
    DFW, Texas
    Posts
    107

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    Quote Originally Posted by flienlow View Post
    I go out for around 2-3 hours and burn 12+ gals that I put in my boat. It is not even in the ball park of what you guys are stating. 2.4 GPH is a diesel trawler fuel efficiency and I am extremes skeptical of those numbers. My last Raptor 400 LSV with a Acme 1617 was no where near that good even after changing from the 537.

    That said, if I can get it I will take it with the 945.
    Yeah, like I said I really donít keep track all that great. Mostly because Iím hardly filling up. When itís me and a buddy and straight wakeboarding/surfing itís probably 4-6 an hour.

    I also have 4 under 10 year old kids....so 2 hours out on an evening might involve 1 hour under load at best. So my engine hours involve lots of idling and my numbers are likely highly skewed.


    Sent from my iPhone using Tapatalk
    2018 Max - Ultrablue flake/Gray - 4400 lbs water (720s midship), 750 lbs lead somewhere

  3. #13

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    Does anyone have the ACME 2419 or a 15 x 12 prop on a Max that knows the cruising top speed with that prop?

    2018 Max

  4. #14
    Join Date
    Nov 2016
    Location
    Knoxville, TN
    Posts
    820

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    On my SA, at 3900 rpms, it was around 28mph, should be fairly similar on the Max.
    2018 Supra SA400 aka The Ron Burgandy
    2011 Sea-Doo Wake 155
    2015 Mojo Surf, sold...2013 Axis A22 Recon Edition, sold...2010 Axis A22, sold...2007 Maxum 180sr3, sold

  5. #15
    Join Date
    Jun 2008
    Location
    Henderson, NV
    Posts
    5,458

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    no one on this forum is getting a fuel economy number of 2.x if using the boat nonstop. idling, swapping riders and the such sure, but these floating bathtubs are a minimum 5gph and up if you are using them

    last outing I had 7 guys on in 6 hrs of nonstop running we used 30gallons and I'm not sporting some of the huge ballast/lead numbers others are.

    on props, said it before.. acme 1235 is my go to. good out of the hole weighted down and all 3 boats I have had it on have been mid30's top end but cruising for us is usually 25-27mph. unless the lake is glass mid30's isn't a fun ride.
    '06 Supra Launch 20SSV-gone but never forgotten

  6. #16

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    Okay thanks.

    2018 Max

  7. #17
    Join Date
    Apr 2012
    Location
    Wake Forest, NC
    Posts
    630

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    Quote Originally Posted by evan.wildeman1 View Post
    Does anyone have the ACME 2419 or a 15 x 12 prop on a Max that knows the cruising top speed with that prop?

    2018 Max
    Santa brought me a 2419 so Iíll let you know once the season starts
    2018 Murder Max
    2008 Outback V-Bought new; sold in 2018

  8. #18

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    Quote Originally Posted by z28ke View Post
    Santa brought me a 2419 so Iíll let you know once the season starts
    Thanks. My Max is set up similar to yours so i'm also interested in how it handles the extra weight at surf speed. I rarely go over 30mph and my lake is small enough I dont need speed.

    2018 Max

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