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  1. #1

    Default 1957 18hp Fastwin

    Hi all. Starting to plan for a new restoration. I believe I'll need a new powerhead for this one. It looks like it go water in the block. What years of Johnson or Evinrude are identical with the '57 Evinrude 18?

  2. #2
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    Default Re: 1957 18hp Fastwin

    Up to about 1976 might fit.

  3. #3
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    Default Re: 1957 18hp Fastwin

    Got some beauties here. PM me if you can't find a good one at a fair price.

  4. #4
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    Default Re: 1957 18hp Fastwin

    Powerhead base bolt pattern was changed around 1959-ish. Also puddle drain system change around 1967-ish and again 1972-ish. Do your homework.

  5. #5
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    Default Re: 1957 18hp Fastwin

    Got a PM for you. I have a sweet 18 powerhead too....it's a 1957 or 58.

  6. #6
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    Default Re: 1957 18hp Fastwin

    Hi, can a 1962 powerhead work? Wasn't happy with one spot in that '58 cylinder. I think it will work but asking confirmation from a mentor out there.

  7. #7
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    Default Re: 1957 18hp Fastwin

    Here is the 62 Johnson.....will this work for our shinola project?
    One bolt is broke if you look closely. I will fix that up for you.
    Attached Thumbnails Attached Thumbnails Click image for larger version. 

Name:	IMG_20201023_195949221_compress38.jpg 
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    Last edited by timguy; 10-25-2020 at 07:48 PM.

  8. #8
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    Default Re: 1957 18hp Fastwin

    Hey Gator, will this work on that 57? Thanks.

  9. #9
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    Default Re: 1957 18hp Fastwin

    My computer with that sort of info on it puked yesterday. But I think the answer is no.

  10. #10
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    Default Re: 1957 18hp Fastwin

    Thanks, Gator, hope you can recover your information. A loss of a computer can be devastating.....even a cell phone loss. Got Cloud on this Verizon phone. Guess I'm gonna have to set a 57 next to this 62 and compare. Got 3 other 57's here....that I picked up with rust. Others are good and shouldn't be parted out. Have a few newer 18's too for parts. Racer says they could work, but didn't sound too certain. Gonna have to call Tim's Outboard, might be they have swapped them around.

  11. #11
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    Default Re: 1957 18hp Fastwin

    I believe the 1957 base pattern is like this one. Ignore the note---picture was saved for another purpose. Now using my laptop, whatta pain.
    Attached Thumbnails Attached Thumbnails Click image for larger version. 

Name:	Drain Valves 3.jpg 
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ID:	25332  

  12. #12
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    Default Re: 1957 18hp Fastwin

    Thanks. Looks quite a bit different, especially around the crankshaft area. The 5 bolts under the cylinder might line up, but that's it.

  13. #13
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    Default Re: 1957 18hp Fastwin

    Does anyone know if a '52 14 hp powerhead would work? Got a nice one here too. Probably should fix the motor, but it's missing a lower cowling on port side. Haven't been able to find one.
    Last edited by timguy; 10-27-2020 at 12:03 PM. Reason: Add info.

  14. #14
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    Default Re: 1957 18hp Fastwin

    Nah, a 14 is a whole different critter.

  15. #15
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    Default Re: 1957 18hp Fastwin

    Okay....kinda thought so, it has separate timing/throttle.....remember them? Very fast for 14 hp. There is a sweet running one on YouTube. I like the front feed fuel line too. Here I thought I had a nice powerhead for the OP. Interchangeability is not as broad as one may think. I have lots of these around, but they are too nice to parts out. Have another source yet, OP, so give me a couple more days.

  16. #16
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    Default Re: 1957 18hp Fastwin

    Dan, at Tim's Outboard in Hackensack said he thinks they made the mounting change when OMC (Johnson/Evinrude) went to the single line tanks. He thinks he has a power head for me but is going to run it by Mike who is more into the vintage outboards.

  17. #17
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    Default Re: 1957 18hp Fastwin

    Both tank & fiberglass hoods came into the issue. Actually the hood, mostly.

  18. #18
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    Default Re: 1957 18hp Fastwin

    Right, Dan mentioned that exactly. The older mounting pattern gave much better access to all parts, then came the 59 and up fiberglass cowling......Note: With the old, tighter fitting flip up cowling design, they never got dropped or blew off going down the road. So in review, we have decided that the last year for pressure tank was 59, but also the first year for new bolt/mounting pattern. Right?
    Last edited by timguy; 10-28-2020 at 12:49 AM. Reason: Add info

  19. #19

    Default Re: 1957 18hp Fastwin

    I've found a 58 Johnson 18 powerhead for a good price. timguy, your PM box is full again. Please PM me a picture of the 9.5 head.

    thanks.

  20. #20
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    Default Re: 1957 18hp Fastwin

    Okay will do. Dan said he thinks 57 and 58 only on the 18's. Will drain box down some, thanks.

  21. #21
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    Default Re: 1957 18hp Fastwin

    Even Dan and Mike at Tim's Outboard are sold out of those years of 18's. When I get some time I'm gonna look how to modify the 1961, 62, 63 blocks to possibly fit. I have at least 5 good ones here. Since I alum weld MIG, I think it can be done.

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