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Thread: can a faster 5th gear be put in 250 big red?

  1. #1
    Join Date
    Jun 2015
    Location
    stonecreek ohio usa
    --
    654

    can a faster 5th gear be put in 250 big red?

    Do any of you guys know if it's possible to replace a faster 5th gear in a 250 big red? That would be nice if one out of a 350x or something would fit.

  2. #2
    Join Date
    Oct 2007
    Location
    Minneapolis mn
    --
    4,067
    Hot rod tractor!
    No trikes. Too old, too crippled. Unless I find one I can't live without!
    "You cant fix stupid" ~ Ron White
    My feeback link: http://www.3wheelerworld.com/showthr...ack-for-Thorpe

  3. #3
    Join Date
    Jun 2015
    Location
    stonecreek ohio usa
    --
    654
    Would be great when I'm not in the woods going from place to place on Friday and Saturday nights lol . thunder god is supposed to get back with me but I think he works alot

  4. #4
    Join Date
    Oct 2007
    Location
    Minneapolis mn
    --
    4,067
    I don't have a yes or no answer, mechanically, but guessing with the super low gearing of the BR, the easiest solution would be either swapping in a SX rear differential, or installing taller tires (like 27" rears) Guess I just always excepted my BR for the tractor it was...
    No trikes. Too old, too crippled. Unless I find one I can't live without!
    "You cant fix stupid" ~ Ron White
    My feeback link: http://www.3wheelerworld.com/showthr...ack-for-Thorpe

  5. #5
    Join Date
    Jun 2015
    Location
    stonecreek ohio usa
    --
    654
    True, I've wondered about sx parts but can't help but think how cool that would be.

  6. #6
    Join Date
    Oct 2007
    Location
    Minneapolis mn
    --
    4,067
    The 85 diffs will interchange, and 86-87 diffs will also... Just don't try to swap a 85 diff into a 87...
    No trikes. Too old, too crippled. Unless I find one I can't live without!
    "You cant fix stupid" ~ Ron White
    My feeback link: http://www.3wheelerworld.com/showthr...ack-for-Thorpe

  7. #7
    Join Date
    Jun 2015
    Location
    stonecreek ohio usa
    --
    654
    Thanks! Might have to look into this for a winter project. Good info

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