automatic or manual? definitely different than the auto. as for the manual, not much different at all, might even be better to go w/ a 88-91 SI tranny. 4th is slightly more aggresive. the 92-95 5th is a little better for the highway though.
88-91 SI ratios:
1: 3.25
2: 1.894
3: 1.259
4: .937
5: .771
Final: 4.25
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