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Location/picture where to change spedo gear?? 66 mustang

1435 Views 15 Replies 6 Participants Last post by  6T6Coupe
I want to see if anyone has a picture of the location on the tranny where to swap out the gear. I want to get a mental/visual picture of it before physically doing it. How does it come out? Just a nut that holds it in place and pull it out, and attach the new one in? Thanks guys!
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What's the calculation for figuring out the number of teeth on the gear?
Ok, so if I did the math right, I was right when I bought this 01 .

Tire size 185/75/R14 (809.15 rotations per mile)
Rear axle ratio 3.20:1
Drive gear teeth 7

Than does anybody know where I can get the drive gear for inside the transmission? When I looked at mine it was really beat up. C4 automatic transmission.
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