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  1. Replies
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    Codemonkey82: I replaced the stock PCM...

    Codemonkey82:

    I replaced the stock PCM transmission, likely the one you have, with the "newer" PCM 80A transmission. The stock transmission had a 5" transmission cooler; the 80A required a 9"...
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    Codemonkey82: Here are some HD shots of my...

    Codemonkey82:

    Here are some HD shots of my 1990 PCM 351W. (thanks to Mischief IV for the technology) They will not answer all of your questions, but they will help. You might take a look at the...
  3. Thread: Test II

    by MySupra
    Replies
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    84,758

    testing https://i.imgur.com/OTH72Ql.jpg

    testing

    https://i.imgur.com/OTH72Ql.jpg
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    Rludtke: Yes, I replaced my wave decals. I...

    Rludtke:

    Yes, I replaced my wave decals. I purchased them from Halledc on ebay. Search Supra wave on ebay and you will find him. He worked with me to precisely match the size. He used to post...
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    Sorry to hijack, Rludtke, but thanks, Mischief...

    Sorry to hijack, Rludtke, but thanks, Mischief IV, Imgur.com worked:


    https://i.imgur.com/0fT76nj.jpeg
  6. Thread: Test

    by MySupra
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    Test of upload per Mischief IV: ...

    Test of upload per Mischief IV:

    https://i.imgur.com/OzAp4aF.jpg
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    One more photo: 20026

    One more photo:
    20026
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    rludtke: My trailer was overhauled last year. ...

    rludtke:

    My trailer was overhauled last year. It is the original trailer sold with my 1990 SunSport. Yours may be similar. The attached photos have all the info I have on it. (Note the invoice...
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    (https://forum.supraboats.com/member.php?4757-rlud...

    rludtke, welcome home.

    You ask for suggestions on what to do with a boat like that.

    You might take a look in General Chat for the posting on 10-10-2022, where h20-ski beat out posters such as...
  10. Tracetrimble, were you able to trace the problem?...

    Tracetrimble, were you able to trace the problem?

    You mentioned the solenoid, but have you checked tightness of the cables on the starter and the ground (i.e., where both cables land when they...
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    Hagman, visual inspection showed no damage. We...

    Hagman, visual inspection showed no damage. We checked the type of neoprene used in the construction and it has a melting temperature of significantly higher than what they would have been subjected...
  12. Thread: Tight steering

    by MySupra
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    16,508

    H20-ski, I'm sure you have checked / replaced the...

    H20-ski, I'm sure you have checked / replaced the wax rope packing in the assembly above the rudder.

    I had a similar problem. New cable / helm alleviated 75% and packing 25% of problem. ...
  13. Thread: motor trouble

    by MySupra
    Replies
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    22,198

    If you are going the new distributor route, I had...

    If you are going the new distributor route, I had a very good result with my distributor upgrade (351W). you can see it in the photo, below.

    Here it is: 27. Protec Retro Distributor (RK107025A)...
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    Ditching the nylon through hulls is, in my...

    Ditching the nylon through hulls is, in my opinion, one of the best upgrades an older Supra owner can do.

    See my list in the Supra contest, General Chat from 10-10-2022. The failure almost sunk...
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    h20-ski: I sent the 1990 Manual and undated...

    h20-ski:

    I sent the 1990 Manual and undated PCM service manual to your email address.

    MySupra
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    h20-ski: The attached is the wiring diagram...

    h20-ski:

    The attached is the wiring diagram from 1990, in case it can be useful. (It is the Supra diagram, not the PCM diagram, and it might be too new for you.)

    MySupra
  17. Guys, this is post #7 of 7 (the last post) in the...

    Guys, this is post #7 of 7 (the last post) in the series on this thread. If you have your settings to read "most recent post first", then please scroll down to post #1 to read the seven posts in...
  18. And now the penultimate post: 30. ...

    And now the penultimate post:


    30. USB C charger in lighter. Ouffun 12V USB Outlet USB C Car Charger Socket. Amazon ZMC Direct This version has to be turned on every time the power...
  19. But wait, there's More! 25. ...

    But wait, there's More!



    25. Thermostat 143 degree Skidim


    26. PCM 80A 1.23:1 Ford transmission. Skidim This was a very important change. My original transmission,...
  20. Continuing: 19. CIPA PWC Marine...

    Continuing:

    19. CIPA PWC Marine Mirror Model 11120 Universal PWC Wing Mirror ebay Boattown4630


    20. Fuel Pump Ford Marine 302 351W Ford Cobra OMC Crusaider PMC ebay...
  21. Now we'll mix interior, exterior and mechanical:...

    Now we'll mix interior, exterior and mechanical:

    14. 3M Marine Sealant 5200 Fast Cure 05220 ebay (for some reason you guys are always debating which sealer to use; this works great...
  22. Let's Move to Engine / Mechanical 8. ...

    Let's Move to Engine / Mechanical



    8. Arco 60108 55 amp [not 75A with original harness] Alternator ebay marine_parts_source


    9. Sherwood G21 GT-40 OEM Raw Water...
  23. CONTEST: WINNER! h20-ski Wins Classic Supra Contest See Solutions Below

    H20-ski wins the contest to identify the most modifications to the 1990 SunSport. The solutions are below. Thanks to all for playing. (moderator, feel free to move this to modifications thread if...
  24. Thread: Test II

    by MySupra
    Replies
    2
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    84,758

    testing reply to this thread. for testing...

    testing reply to this thread. for testing purposes only
  25. H20-ski takes the lead with seven. And...

    H20-ski takes the lead with seven.

    And remember everyone, to win, you have to identify them.

    They were specifically designed to be hidden from Supra Boat Forum experts.
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