I did a little research on gear ratios and this is what I found. I didn't find anything on 97-01 USDM Preludes.

JDM Prelude SiR, S-Spec (LSD), Type-S (ATTS)
1st 3.285
2nd 1.956
3rd 1.344
4th 1.034
5th 0.812
R 3.000
FINAL DRIVE 4.266:1

JDM Accord EURO-R
1st 3.285
2nd 2.090
3rd 1.481
4th 1.071
5th 0.812
R 3.000
FINAL DRIVE 4.266:1

USDM Prelude 4th Gen
1st 3.307
2nd 1.950
3rd 1.360
4th 1.071
5th 0.870
FINAL DRIVE 4.266.1