***yes, i believe the gearset on a 1st gen RX7 is extremely close to a miata.***

Said another way, EXTREMELY close. Put another way, different input shaft length & gear ratios.

Travis, lots of great info on this site but keep im mind the specmiata site.
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i'm not sure what you're saying about the similarities (or differences) in the gearboxes...but i was banned from sm.com for saying stuff daniels didn't like.