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  1. #1
    Join Date
    Jun 2014
    Location
    Bloomington, MN
    Posts
    51

    Default tracking fin and unknown object

    Any insight if my 86 sunsport should only have one tracking fin? I am having some tracking issues at speed discussed in another thread. Also while looking I found an unkwon object under where the engine goes and a little on the port side any insight what it is?

    Thanks as always

    Josh
    Attached Images Attached Images

  2. #2
    Join Date
    Sep 2009
    Location
    Geneva IL
    Posts
    402

    Default

    The unknown object is where water is taken in to cool your engine. I have 3 tracking fins on my comp. Not sure how many your sunsport should have
    Chauncey 2000 Malibu Response LX Monsoon 325

  3. #3
    Join Date
    Jun 2014
    Location
    Bloomington, MN
    Posts
    51

    Default

    Man i feel like an idiot, i should have put two and two together on the water intake... but i can't find a under hull reference for the tracking fin thing... there also is a small hole behind the fin that is there that can bee seen in the photo and inside in front of the engine there is a small handle the corresponds with that... is that some kind of drain?

  4. #4
    Join Date
    Jan 2014
    Location
    LaGrange, GA
    Posts
    43

    Default Re: tracking fin and unknown object

    The handle in front of the engine is a drain for the bilge. It should just unscrew. Also just for reference my 84 Rider has 3 tracking fins and should be about the same hull as yours. I believe that would most likely be your handling problem.
    1984 RIDER, PCM 454, NEW DIMENSIONS TOWER AND TONS OF WORK TO COME.

  5. #5
    Join Date
    Jun 2014
    Location
    Bloomington, MN
    Posts
    51

    Default

    yeah that is what i am thinking... now to find at least one fin, and figure out where/how to mount it...

    Thanks.

  6. #6
    Join Date
    May 2013
    Location
    Burden Lake NY
    Posts
    272

    Default

    my 88 sunsport has 2 or 3 tracking fins. i dont remember which, but im pretty sure its 2
    1988 Supra Sun Sport 454 PCM
    1972 Olds Cutlass 455
    1998 BMW 750il
    1996 BMW M3 coupe
    1995 Toyota Tacoma 4x4

  7. #7
    Join Date
    Jun 2014
    Location
    Bloomington, MN
    Posts
    51

    Default

    SO for sure i need to find another fin somewhere... Any ideas?
    i found this on ebay, it has a rounded point instead of pointed but i am guessing it will work...
    http://www.ebay.com/itm/Skiers-Choic...99f7b1&vxp=mtr

  8. #8
    Join Date
    Sep 2009
    Location
    Geneva IL
    Posts
    402

    Default

    If you can see inside boat in front and in back of tracking fin. You might be able to see patched holes where old fins used to be
    Chauncey 2000 Malibu Response LX Monsoon 325

  9. #9
    Join Date
    Jun 2014
    Location
    Bloomington, MN
    Posts
    51

    Default

    yeah i will be inside first thing after work... i am thinking that finding the exact matching fin though is looking like a non starter...

  10. #10
    Join Date
    Sep 2009
    Location
    Geneva IL
    Posts
    402

    Default

    Call Anthony Cooper at skiers choice in parts. 865-983-9924 ext 118 Im not sure if you should mix and match tracking fins. He knows all about the older supras and always willing to help
    Chauncey 2000 Malibu Response LX Monsoon 325

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