Fb, Fc, Fd ???
sa, not fa. the sa body style is slightly different then the fb. sort of like the s4 and s5, but a little more difference. but the body style is very similar so they are both considered 1st gens.
Joined: Aug 2001
Posts: 6,096
Likes: 9
From: So Cal where the OC/LA/SB counties meet
OK, I'll answer this one......
FB, FC, & FD come from VIN number designations. The FB came alone when the VIN went to 11 digits in 1981. Prior to 1981, the VIN was only 9 digits. Under the 9 digit system, the designation for the RX7 was "S". But, the alphabetical order was otherwise maintained with the "A".
There, mystery solved.
There, mystery solved.




