Vintage Mustang Forums banner

New 15X7 rims, will I need a new speedo gear?

775 Views 5 Replies 3 Participants Last post by  johnpro
G
HEY!!!!

I got the ARE D's (15 X 7), and finally got the time to post to VMF. I'm going with 215/60 in the front & 225/60's on the rear, what speedo driven gear will I have to go with now?

I was getting ready to order a Type 3A 16 tooth gear, is this still the way to go?

THANKS!!!

Dan
65 FASTBACK
1 - 6 of 6 Posts
G

·
Discussion Starter · #3 ·
When I changed the tires on my car I had a friend follow me to see if my speedo was correct or not. When we determined how far it was off I just pulled the gear out of the transmission and took it to the ford dealer and the parts guy had the correct gear in stock.

By doing it this way I did not need to know tire diameter, rear axle ratio, and transmission final drive ratio. If a dealer is close then this is the best way to go.
 
G

·
Discussion Starter · #4 ·
Kevin, I will give that a try. Out Ford dealer is about 2 miles from me ;-D

Just found out that i'm not a tire-kicker anymore!

Dan
65 FASTBACK
 

· Gone but never forgotten
Joined
·
25,083 Posts
I have that exact same tire size combo on 15x7 TTD's on my '66 coupe (225/60s in back and 215/60s in fron). I did nothing to the speedo gear and it is right on.

If you always do what you've always done,
You'll always get what you've always got

http://www.classic-mustang.net/johnpro
http://www.classic-mustang.net/john66/mustang/pics/66fsides2.jpg
 
1 - 6 of 6 Posts
This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.
Top