Auto 93+ FD came with a 3.9 diff IIRC.
I believe i've seen it used in Rx-8 before, especially ones with LS1 swaps that use transmissions that would make better use of a 3.9 gear. Can't confirm which generation 8 diff was used though.
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'15 Juke Nismo
'06 MX-5 GT SOLD
'04 S Silver RX-8 GT Track Day Use SOLD
'90 Black TII vert w/ Sprint RE stock port/turbo DD dyno (242.6whp@5500rpm @12psi 8psi@redline) and (250ftlbtq@4800rpm @13psi) SOLD
'89 GTUs 6p TII SOLD, '87 sport SOLD, '79 SA stock SOLD
'91 B2600i 4x4 w/ Rx-8 LSD SOLD
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