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Thread: Prop education

  1. #1
    Join Date
    Mar 2021
    Posts
    1

    Default Prop education

    Hey all,
    I am new to the forum but am hoping for some sage advice.
    I have recently had my 85 sunsport restored and converted exhaust, added fuel injection and electronic ignition. According to the guy helping me who just took the boat for a test run, there is now a lot more room for top end speed. Wondering if anyone has insight on props in terms of pitch, size, number of blades etc. mine is original. I know some of it is personal choice but I am not knowledgeable with this and would appreciate advice
    Many thx
    Marsh

  2. #2
    Join Date
    Sep 2008
    Location
    Parkersburg, WV
    Posts
    1,905

    Default

    What motor and tranny?

    Sent from my SM-G973U using Tapatalk
    Clint
    Wake the World - West Virginia
    www.waketheworldwv.com

  3. #3
    Join Date
    Apr 2012
    Location
    Lake Wylie NC Area
    Posts
    414

    Default

    Whats the current prop's dia and pitch? Whats the WOT RPM? Whats the current top speed?
    Michael
    Mikes Liquid Audio

  4. #4
    Join Date
    Dec 2013
    Posts
    600

    Default

    Prop tech is light years ahead of where it was in 85. I think you will be pleased. And, because there has been so much change, I would recommend calling the manufacturer you choose to make sure you get the best prop for your use. They usually have to make the props after they receive the order anyway, so best to call and give them your details.

  5. #5
    Join Date
    Apr 2012
    Location
    Lake Wylie NC Area
    Posts
    414

    Default

    They usually have to make the props after they receive the order anyway,
    Interesting. Ive never had an ACME order be backordered in 12 years. They ship out either same day or next day at the latest.
    Michael
    Mikes Liquid Audio

  6. #6
    Join Date
    Dec 2013
    Posts
    600

    Default

    Quote Originally Posted by Wylietunes View Post
    Interesting. Ive never had an ACME order be backordered in 12 years. They ship out either same day or next day at the latest.
    It only takes an hour or so to CNC a prop. Why would they backorder?

  7. #7
    Join Date
    Dec 2015
    Location
    Lake Nottely, Blairsville, GA
    Posts
    942

    Default


    1983 Supra Rider
    1991 Supra Comp ts6m
    1983 Supra Beast
    2012 Supra Sunsport 242

  8. #8
    Join Date
    Apr 2012
    Location
    Lake Wylie NC Area
    Posts
    414

    Default

    Your assumption is that they are standing around twiddling their thumbs, waiting on a prop order. A company like ACME stocks milled props in a quantity that reflects forecasted sales. They dont wait till a dealer orders 20 props and then start cranking them out.
    Michael
    Mikes Liquid Audio

  9. #9
    Join Date
    Dec 2013
    Posts
    600

    Default

    I am not running an acme. Glad they stock all the props you need, though.

  10. #10
    Join Date
    Jun 2010
    Location
    Oregon
    Posts
    301

    Default

    I think the stock prop was a standard 13/13. I'm sure the 351 runs happier. But the mods you've dun really haven't increased the HP much. You should ask how am I going to use the boat. Speed isn't every thing. My 13/13- 3 blade is a little faster but the my 12.5 - 4 blade is smoother and the 12/12 - IMG_1708.JPG4 blade will pule your arms off. The top speed seams to have more to do with how much and where the weight is. A full load of fuel and 3 babes in the back seat is the fastest. Good luck.

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