stock gear ratio
09-11-09, 12:35 PM
#5
RX-7 Stock Rear Axle Ratios
Year / Model Ratio
79-82 3.909
83-84 12A 3.933
84-85 13B GSLSE 4.076
85 12A 3.909
86-88 5-spd All 4.10
86-88 Automatic 3.909
89-92 Turbo 4.10
89-92 non-turbo, non LSD 4.10
89-90 non-turbo, viscous LSD, "GTUs" only 4.30
93-95 w/manual trans 4.10
93-95 w/automatic trans 3.909
Where are you getting your info? Every thing I've read and every 2nd gen I've come across (and that's a **** load) has had 4.1 for ALL MANUALS and only automatics had the 3.9.
~Mike...............
Year / Model Ratio
79-82 3.909
83-84 12A 3.933
84-85 13B GSLSE 4.076
85 12A 3.909
86-88 5-spd All 4.10
86-88 Automatic 3.909
89-92 Turbo 4.10
89-92 non-turbo, non LSD 4.10
89-90 non-turbo, viscous LSD, "GTUs" only 4.30
93-95 w/manual trans 4.10
93-95 w/automatic trans 3.909
Where are you getting your info? Every thing I've read and every 2nd gen I've come across (and that's a **** load) has had 4.1 for ALL MANUALS and only automatics had the 3.9.
~Mike...............
09-11-09, 12:53 PM
#6
RX-7 Stock Rear Axle Ratios
Year / Model Ratio
79-82 3.909
83-84 12A 3.933
84-85 13B GSLSE 4.076
85 12A 3.909
86-88 5-spd All 4.10
86-88 Automatic 3.909
89-92 Turbo 4.10
89-92 non-turbo, non LSD 4.10
89-90 non-turbo, viscous LSD, "GTUs" only 4.30
93-95 w/manual trans 4.10
93-95 w/automatic trans 3.909
Where are you getting your info? Every thing I've read and every 2nd gen I've come across (and that's a **** load) has had 4.1 for ALL MANUALS and only automatics had the 3.9.
~Mike...............
Year / Model Ratio
79-82 3.909
83-84 12A 3.933
84-85 13B GSLSE 4.076
85 12A 3.909
86-88 5-spd All 4.10
86-88 Automatic 3.909
89-92 Turbo 4.10
89-92 non-turbo, non LSD 4.10
89-90 non-turbo, viscous LSD, "GTUs" only 4.30
93-95 w/manual trans 4.10
93-95 w/automatic trans 3.909
Where are you getting your info? Every thing I've read and every 2nd gen I've come across (and that's a **** load) has had 4.1 for ALL MANUALS and only automatics had the 3.9.
~Mike...............
09-11-09, 02:16 PM
#7
I was told that 88 verts had 3.9 a while back. I did some searching and found this:
https://www.rx7club.com/showthread.p...ble+gear+ratio
https://www.rx7club.com/showthread.p...ble+gear+ratio
Trending Topics
09-11-09, 04:14 PM
#9
There were Automatics and there were 5-Speed manuals both sold. Axle ratio depends on the year and equipment. All Verts were also open diffs, no LSD's spec'd. There are rumors that some verts had LSD's that were simply put in during assembly as the factory used up the available parts stock. That is unlikely, but not impossible...
09-11-09, 05:18 PM
#11
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Join Date: Feb 2001
Location: Charlottesville, Virginia, USA
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I am holding the original 88 brochure in my hand right now. It says:
M-5 Convertible
1 - 3.475
2 - 2.002
3 - 1.366
4 - 1.000
5 - 0.711
R - 3.493
Final - 3.909
However, there is no telling what is in the car 21 years later if you do not know its history.
M-5 Convertible
1 - 3.475
2 - 2.002
3 - 1.366
4 - 1.000
5 - 0.711
R - 3.493
Final - 3.909
However, there is no telling what is in the car 21 years later if you do not know its history.
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