Mazda Transmission guide
 

Does anyone know what mazda transmission can interchange parts? For example the input shaft on s5 13b na trans have the same input shaft as the 1984 b2000.
Does anyone know if mazda gears can be exchanged?

I cant find the link to Felix but here's a few info.

http://members.aol.com/solomiata/Drivetrain.html

Here's felix' page http://mrmazda.no-ip.com/index.html
Just trying to help. -Jeromy