What speedometer gear do I need?

[The_night_rider]

It's for my four speed, it's only going behind a 225.


I don't know how many teeth the gear needs to have.

The four speed is from a late 70's F body.


Ideas?

 

[homecloned]

You will need to now tire size and rear gear. There is a chart here somewhere.

 

[homecloned]

Check this out night_rider.

http://www.moparts.org/Tech/tech/pages/speedo.html