How do you correct the speedometer on a fox body Mustang?

If you are changing out the rear gears on your fox body or SN95 Mustang, you are going to have to correct your speedometer. The most popular method for doing so is by swapping out the driven gear on the end of the speedometer cable or speed sensor.

Can you use a 23 tooth speedometer on a Mustang?

Do not use a 23 tooth speedometer driven gear on a 1996-1998 Mustang GT or Cobra T45, AODE, or 4R70W. It will self destruct in a matter of feet. Check out our YouTube channel for even more tech tips, installation videos, how-tos, and more.

How do you change the gear on a speedometer?

Swapping out the speedometer driven gears extremely simple are you going to do is remove the single retaining bolt, slide the cable or sensor out in the transmission, remove the clip, slide your old gear off, put your new gear on, reinstall the clip, slide it back in the transmission and reinstall the retaining bolt.

How can I find out what gear I need for my Mustang?

To figure out which gear you need, visit LatemodelRestoration.com and use our exclusive Mustang speedometer gear calculator. You can select your transmission, manual or automatic, your drive gear teeth, 6,7 or 8, pick out which gear ratio you’re using and then select your tire size.

Can you change the gear on a Mustang GT?

You cannot change the output shaft mounted drive gear in an Automatic Transmission as the gear is part of the output shaft. Do not use a 23 tooth speedometer driven gear on a 1996-1998 Mustang GT or Cobra T45, AODE, or 4R70W.

What kind of cable do I need for my Mustang speedometer?

All 1999-2008 Mustangs can use an XCalibrator3 ( XCAL3) to correct the speedometer. 1964-1968 with T-5 Trans and EFI use a different speedometer cable ( SC50 ). This cable has the 64-68 threaded style connection at the speedometer end and an 83-93 efi style connection at the other. This type of cable is only required when doing an EFI conversion.

Where does the cable go on a speedometer?

Speedometer Cable Variations. 1964-1968 speedometer cables have a threaded end where they connect to the back of the speedometer. There is a metal portion crimped onto the cable at the other end that the speedo gear clips onto. An o-ring is used for sealing.

Where does the O ring go on a 1964 speedometer?

1964-1968 speedometer cables have a threaded end where they connect to the back of the speedometer. There is a metal portion crimped onto the cable at the other end that the speedo gear clips onto. An o-ring is used for sealing.

What to do with your 1979 body speedometer?

Is your 1979-93 Mustang speedometer off? Repair it with a brand new speed correction speedometer gear. Installing rear end gears or switching to a bigger tire usually throws your Fox Body speedometer off. Repair it with Late Model Restoration’s 6, 7, 17, 18, 19, 20, 21, and 23 tooth speedometer gears.

What are the gears on a fox body Mustang?

Repair it with Late Model Restoration’s 6, 7, 17, 18, 19, 20, 21, and 23 tooth speedometer gears. Don’t forget your speedometer cables, retaining clips, and sensors to get your speed gauges working correctly again.

How do you correct the speedometer on a fox body Mustang?