Rear Gear?
 

does anyone know what the rear gear is in our cars? na and the turbo models

N/A 4.30, turbo 87,88 I think is 3.93 and 89-92 was 3.73. I could be wrong on those years but the gear ratio is correct.

edit: I think the 3.93 and 3.73 depended on manual or auto, but I am not 100% sure.

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