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Sm420 And Atv Overdrive Shifter Ideas

Discussion in 'Flat Fender Tech' started by 47v6, Aug 4, 2020.

  1. Aug 4, 2020
    47v6

    47v6 junk wrecker! 2020 Sponsor

    Washington DC.
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    What did you guys do? I need to fab one up. I have a shifter that came with it, but its very poor quality and is for a different transmission anyway.

    Anyone got any pics? Thanks!
     
  2. Aug 4, 2020
    Rich M.

    Rich M. Shoe pusher

    Maryland
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    I always thought using an electric solenoid with a button on the shifter would be cool. Like a big rig or Mad Max blower.
     
  3. Aug 4, 2020
    Rich M.

    Rich M. Shoe pusher

    Maryland
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  4. Aug 4, 2020
    nickmil

    nickmil In mothballs.

    Happy Valley, OR
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  5. Aug 4, 2020
    47v6

    47v6 junk wrecker! 2020 Sponsor

    Washington DC.
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    I was thinking about a cable idea.. also a no longer active member used an air actuator.
     
  6. Aug 4, 2020
    ITLKSEZ

    ITLKSEZ Volvophilic

    Post Falls, ID
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    Like a Volvo...

    [​IMG]
     
  7. Aug 4, 2020
    jpflat2a

    jpflat2a what's that noise?

    Riverside CA
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    I think I mounted the shift lever on the pin for the ebrake lever on the 420 ?
    From there just modified or fabbed the linkage rod between the OD and the shift lever.
     
  8. Aug 4, 2020
    47v6

    47v6 junk wrecker! 2020 Sponsor

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    This is relatively easy. It either air or electric and a solenoid. I like it, but everything else is mechanical. It may actually be easier to do the solenoid. Daryl did air. I am interested in another shifter.. confusing for sure.
     
    ITLKSEZ likes this.
  9. Aug 4, 2020
    Rich M.

    Rich M. Shoe pusher

    Maryland
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  10. Aug 5, 2020
    CHUGALUG

    CHUGALUG Member

    Silverton, OR
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    I talked to Herm about using an air or electric solenoid and he said it was a bad idea as they have a tendancy to try to slam the gears into mesh rater then if done by hand where there is some feel to it. Said he had rebuilt a number of them that people had to operate them with a solenoid and they had chewed up teeth from abrupt engagement.
     
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  11. Aug 5, 2020
    47v6

    47v6 junk wrecker! 2020 Sponsor

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    Mount a switch on the shifter like a 2 speed rear....
    If I used an air solenoid and cylinder I could adjust the air flow to not slam it into anything.. I do see the issues though.

    Does anyone have a pic of their manual shift linkage? If you aren't able to post a, you can text me one. Just PM me and i will get you my number.
     
  12. Aug 5, 2020
    Warloch

    Warloch Did you say Flattie??? Staff Member

    Falcon, CO
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    I built custom ones for the T-18 setups I had. Its a simple rod from the lever with a 'flag' of metal that goes down and a pin slides through on the shaft out the back of the OD.
     

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