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Thread: Speedo Gear?

  1. #1
    SCS Addict Stangman701's Avatar
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    Speedo Gear?

    Hey guys, my brother just got a 95 GT and he needs to get a speedo gear for it. Which one does he need for 4.10's? Tire size is stock. Thanks
    2015 Charger Hellcat
    2.4" upper pulley, ID1300 injectors, BAP, E85 tune, Cat Delete Pipes, One Piece Drive Shaft, Diff Brace, 305/35/20 555R's for the street and 305/45/18 MT ET Street R's for the track. 9.97@142 Best ET

    85 GT
    Heads and Cam plus other bolt ons

    73 F250
    Lifted, 35's, 460 4spd

    Real name = Ray


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    Its been a while, but I believe its a white, 23 tooth...

  3. #3
    Senior Member mustang50lx's Avatar
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    Quote Originally Posted by John4cam View Post
    Its been a while, but I believe its a white, 23 tooth...

    This is what I used in my T5 with my 3.73's. Ford doesn't make a 23 tooth gear. I got mine from Chrysler. The Chrysler part number is 1-J3167393. The "1-" could be quantity and may not be part of the part number. It's been awhile and I can't remember.

  4. #4
    SCS Addict Stangman701's Avatar
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    Thanks for the help guys. It looks like the 23 tooth is the best bet but... from what I've been reading even that won't be enough gear for 4.10's on a 95. There's basically two options, replace the speedo drive gear with a 7 tooth unit and get a 23 tooth speedo gear or just buy a speedcal box. I've got an old T5 that I can probably steal the drive gear that I need, but I don't know if it's worth tearing the tranny apart to put that in.
    2015 Charger Hellcat
    2.4" upper pulley, ID1300 injectors, BAP, E85 tune, Cat Delete Pipes, One Piece Drive Shaft, Diff Brace, 305/35/20 555R's for the street and 305/45/18 MT ET Street R's for the track. 9.97@142 Best ET

    85 GT
    Heads and Cam plus other bolt ons

    73 F250
    Lifted, 35's, 460 4spd

    Real name = Ray


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