how do i check

Discussion in 'General Tech' started by Austinx56, Jan 2, 2014.

  1. Austinx56

    Austinx56 Well-Known Member

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    how do i check my drive gear, i'm re calibrating my speedo i found my gear ratio now i need to check what gear drive i have .....
     
  2. blackdemon007

    blackdemon007 Well-Known Member

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    Not sure what transmission you have but if it is the T45 then the gear is located roughly mid transmission on driver side. You will see a Ø3/4" cable running into it connected by a bolt. Remove the bolt and it will come right out, then just count the teeth on the gear.

    Other trannys may be similar but I haven't messed with any of them so I dont know.

    Hope this helps. I can post some pictures later if you cant find it.
     
  3. Austinx56

    Austinx56 Well-Known Member

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    ok its a 94 gt auto i think thats the T45 [MENTION=18797]blackdemon007[/MENTION]
     
  4. Austinx56

    Austinx56 Well-Known Member

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    i was told by for its a 19 tooth???
     
  5. Shifty Powers

    Shifty Powers Well-Known Member

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    94 auto is not a t45... What gear do you have?

    Ill give you what you need in one sec

    but your tranny is an 8 tooth drive gear.. Again what speedo and drive gear you need is all dependant on what gears are in the rear of the car
     
  6. Austinx56

    Austinx56 Well-Known Member

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    ohh well idk what gears... ive never changed them so what ever factory is they told me the ratio is 327..... i have a really rare 94-95 s351 200 MPH speedo in it
     
  7. Shifty Powers

    Shifty Powers Well-Known Member

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    so why are you calibrating?
     
  8. 9838stang

    9838stang Well-Known Member

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    looks like he wants to calibrate the new cluster to his car.

    im not sure if changing the speedo gear will work....

    you may have to get the ecu or pcm reflashed to the cluster....
     
  9. Austinx56

    Austinx56 Well-Known Member

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    yep but will that work on a 94?
     
  10. Austinx56

    Austinx56 Well-Known Member

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    i told late model whats going on and they said i need these gear things.. maybe [MENTION=17552][email protected][/MENTION] can help here ??
     
  11. joekd

    joekd Well-Known Member

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    Buy the ford racing speed dial, it will make your life a lot easier by allowing you to adjust things by turning the little dials rather then hunting and pecking to find the right gear combo
     
  12. RichV

    RichV Well-Known Member

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    You should just buy a gear depending on the rear ratio. BUT, since you have not changed it, it should be OK. The gear is in the tranny not the cluster. However, I don't know anything about the 200mph speedo, do you know how much off it is? You can get a GPS app for your phone to find out for sure.
     
  13. Austinx56

    Austinx56 Well-Known Member

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    yeah it says im doing 60 but im doing 45
     
  14. 9838stang

    9838stang Well-Known Member

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    Kinda sounds like a 4.10 or 4.30 speedo gear combo might work.... But the whole gearing is set up for a 150 Speedo
     
  15. blackdemon007

    blackdemon007 Well-Known Member

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    Yeah not sure how to pull the drive gear from an automatic tranny, but I would suggest doing that first and then verify the tooth count. After that you need to change it out with higher tooth count gear in order to make the speedo read slower than the current reading.

    Or you could get the ford speedo calibration tool ... but it would be somewhat of a guess and check on the settings since you changed out the speedo cluster and not gears or tires.
     
  16. 9838stang

    9838stang Well-Known Member

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    Its as easy as taking two bolts out of the trans where the speedo gear is. The gears them selves are super cheap I got mine from steeda
     
  17. RichV

    RichV Well-Known Member

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    Yea, but why would he need to change it if it worked in a stock cluster speedo? What's different about the Saleen one?