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Thread: Trade 41-46 Knuckle Tanks For 36-39 Tanks

  1. #1
    Join Date
    Feb 2017
    Location
    Central Pennsylvania
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    35

    Default Trade 41-46 Knuckle Tanks For 36-39 Tanks

    I have a good set of 41-46 Knuckle gas tanks that I am looking to trade for 36-39 Knuckle tanks. They are sprayed over with old primer and a have few small patches of surface bondo, but solid with mostly just some surface rust. There is one very small rust hole in center right side of right tank. Bottoms seem very sound. Mounts, caps areas and threads are very good. I am piecing together a 39 from mostly original parts and Id like to have the correct year tanks. Additional pics available. Im located in south central PA. PM me if interested. Bob
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  2. #2
    Join Date
    Sep 2016
    Location
    Oregon
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    96

    Default

    those look like great tanks, but the current value of 36-39 knuckle tanks are about triple that of 40 or 41-46 tanks.

  3. #3
    Join Date
    Feb 2017
    Location
    Central Pennsylvania
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    I’d be open to throwing in some cash to make a trade work.

  4. #4
    Join Date
    Oct 2002
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    457

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    Bob,
    If you fix the pinhole and pressure test them, that could go a long way for a trade. My concern would be there is more rust damage and the metal around it is compromised and could turn into a money pit.
    Just trying to help is all and not wanting to offend your ad.
    AMCA #765

  5. #5
    Join Date
    Jun 2001
    Location
    Central Illinois, USA
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    4,341

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    Quote Originally Posted by len dowe View Post
    Bob,
    If you fix the pinhole and pressure test them, that could go a long way for a trade..
    Don't hook up a compressor, Holeshotbob!

    Just cork them up tight and immerse them in a hot tub of water.

    ....Cotten
    AMCA #776
    Dumpster Diver's Motto: Seek,... and Ye Shall Find!

  6. #6
    Join Date
    Oct 2002
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    457

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    Quote Originally Posted by T. Cotten View Post
    Don't hook up a compressor, Holeshotbob!

    Just cork them up tight and immerse them in a hot tub of water.

    ....Cotten
    Guess I should have said "Leak test".
    AMCA #765

  7. #7
    Join Date
    Jun 2001
    Location
    Central Illinois, USA
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    Quote Originally Posted by len dowe View Post
    Guess I should have said "Leak test".
    I pressure-tested an oiltank once, Len!

    Suddenly the battery wouldn't fit.

    A hard lesson....

    ....Cotten
    AMCA #776
    Dumpster Diver's Motto: Seek,... and Ye Shall Find!

  8. #8
    Join Date
    Feb 2017
    Location
    Central Pennsylvania
    Posts
    35

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    Does anyone have thoughts on me having these 41-46 tanks converted to correct style 39 tanks? Wondering if I go so far as to engaging someone to fix them, should I just have them changed at the same time?

  9. #9
    Join Date
    Aug 2004
    Location
    Beautiful Northern New Mexico
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    Quote Originally Posted by Holeshotbob View Post
    Does anyone have thoughts on me having these 41-46 tanks converted to correct style 39 tanks? Wondering if I go so far as to engaging someone to fix them, should I just have them changed at the same time?
    That is the dumbest idea yet. Ruin a nice set of tanks to make a fake set! If you are wanting to modify something buy a cheap set of reproduction tanks and modify them to work until you find a correct set.
    Robbie Knight Amca #2736

  10. #10
    Join Date
    Jun 2010
    Posts
    294

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    Does anyone have thoughts on me having these 41-46 tanks converted to correct style 39 tanks?
    Both fittings differ, there is indentation and hole in left tank for fuel shut off.
    If you do the work yourself, possibly, still backyard engineering.
    Two sets sold on ebay recently, $3500, $4000, if you glass bead so they look nice.
    The gap between early and late tanks has narrowed to almost even.

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