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Thread: 1977 johnson 140hp crossflow mods

  1. #11
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    that's another great looking prop.
    ooh I could play with that all day, might even put it on the engine to see how good it looks on a shaft. ha ha ha
    im sure you only put these works of art on to torment me ron ha ha

    one day ill have one of your props ron,
    you are very high up on my list of places to visit when I win the lotto and visit the USA..

    .

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    im playing with some v4 crossflows to put on an f3 to try where do i get the specs for scallopping the pistons and barrells any idea on exhaust tuners length any info would be much appreciated,thanks terry .newcastle australia

  3. #13
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    Quote Originally Posted by TERRY19lEONARD View Post
    im playing with some v4 crossflows to put on an f3 to try where do i get the specs for scallopping the pistons and barrells any idea on exhaust tuners length any info would be much appreciated,thanks terry .newcastle australia
    Al Stokers 9 pages doc has dimensiions.
    I will post it in a few days when i get home.
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    Thanks TERRY19lEONARD thanked for this post

  4. #14
    Team Member Bateman's Avatar
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    Yep, 9 pages. Read it a few times.

    I'm playing with a 90hp v4 currently. Not a ton of info out there, but you can find some if you dig.

    Ron Hill, you still making props for these 13 spline 4.25" gearcases?

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    Quote Originally Posted by Bateman View Post
    Yep, 9 pages. Read it a few times.

    I'm playing with a 90hp v4 currently. Not a ton of info out there, but you can find some if you dig.

    Ron Hill, you still making props for these 13 spline 4.25" gearcases?
    I'd assume he does, I sure hope so he had some of the better props for them. I've got a 1983 140hp I picked up a while back for almost nothing that is in need of a rebuild. I'm not going crazy on it, but figured if I'm rebuilding may as well square off the exhaust ports, maybe shorten the tuner some, shave heads a little if I can. Hadn't thought about doing the work on pistons but won't hurt it. Wasn't aware of the other carbs being any much better than the ones on it already.

  6. #16
    Administrator Ron Hill's Avatar
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    Default Johnson and Evinrude 13 Splined Propellers for 75-140 by Hill Marine

    Quote Originally Posted by Bateman View Post
    Yep, 9 pages. Read it a few times.

    I'm playing with a 90hp v4 currently. Not a ton of info out there, but you can find some if you dig.

    Ron Hill, you still making props for these 13 spline 4.25" gearcases?
    https://www.ebay.com/itm/Signature-P...item23d020da2c

    Don'y buy from E-Bay. by directly from me at Hill Marine. Ronhill@hillmarine.com . Got lots of props for these motors.
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  7. #17
    Team Member Bateman's Avatar
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    Awesome. I'm not sure what prop I will need just yet. 15' Glasstream bass boat. 90hp V4. Looking to get 65mph out of it.

    13 spline offerings are minimal, but seems you have a few for these 4.25" OMC gear cases.

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    they're are a fair amount of 13 spline props since so many guys run the triples. I would think you could get 65 if you make it into a 140 essentially, but you might be just as well off to find a 140 to start with.

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    where can one find al stokers doc? Am I just stupid and couldn't find it here on BRF which is a possibility the stupid thing that is lol

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