I can tell you in a few mins, I'll edit this when I have the answer.
Update:
92-95 Civic DX LX / Del Sol S Release: USDM Clutch linkage: Hydro ID: S20
1st:3.250
2nd:1.761
3rd:1.172
4th:0.909
5th:0.702
RVS:3.153
Final:4.058
92-95 Civic Si/ EX / Del Sol Si Release: USDM Clutch linkage: Hydro ID: S20
1st:3.250
2nd:1.900
3rd:1.250
4th:0.909
5th:0.750 Si HB & Del Sol Si / 0.702 for 2dr & 4 dr
RVS:3.153
Final:4.250
To ID: Look by the fill plug. You'll see a circle cast into the housing.
P20-A000: DX, CX, VX trannys
P20-B000: Si, EX trannys.
The transmission originally posted here:
88-91 Civic DX LX / CRX Release: USDM Clutch Linkage: Cable ID: L3
1st:3.250
2nd:1.894
3rd:1.259
4th:0.937
5th:0.771
RVS:3.153 <(-----doesn't engage, feels "locked out".
Final:3.888
The above is a 20-spline clutch disc, so you'll have to find one of those.. and yes, it's a cable clutch.. dunno if you still want it... sry I didn't make that clear in the beginning.
Gear Ratio Information taken from:
http://www.knology.net/~jediklc/gearratiosdseries.htm
Another decent link for gear ratios:
http://www.geocities.com/bing_bong916/trannyspecs1.html