100+ mph

[KingLevi]

Does anyone have the answer to calibrate speedometer? Swaped th350 and 3.42s and speedo is pegged. Thanks in advance

 

[SSedan64]

http://novaresource.org/speedo.htm or http://www.tciauto.com/Products/TechInfo/speedo_gears.asp

 

[swapmeetjunkbu]

I have bought a few speedometer gears from Speedometer World at http://www.transmissioncenter.net