Speedo Gear Calculator?

[CL3406]

Does anyone have a simple speedo gear calculator or chart? Trying to figure out which gear for 3.73 with 215/70/14 Tire.

Thank you

 

[dcl68]

Maybe this

 

[CL3406]

Maybe this

View attachment 1715154341

Great thanks. Do you know if & where they are sold new? Or are they only available used? Thank you

 

[dcl68]

Ebay has many used and new and Classic industries has re-pops 1972 Dodge Dart Parts | Speedometer Gear | Classic Industries

 

[toolmanmike]

Brewer has some also. Brewer's Performance - Mopar A833 4-Speed Transmission and Component Specialists

 

[CL3406]

Brewer has some also. Brewer's Performance - Mopar A833 4-Speed Transmission and Component Specialists

Thanks for the info guys...