ok so i have seen this floating around but i don't quite understand it. i have enough common sense to know that each mark is most likely a different wieght of somesort. but would like to know exactly what the marks refer to. so if icemark arroncake or ted could chime in. thanks in advance

 

Keyword search "rotor weight letter*"...

https://www.rx7club.com/2nd-generation-specific-1986-1992-17/rotor-stamps-405208/


-Ted

 

thanks ted i remember seeing that thread a long time ago but forgot about it. thanks again