I found some info when i was searching for wiring on the hnu13.
Some of you might find it handy
Engine type SR20DET SR20DE SR20DE SR18DE SR18DE GA16S
Drive system 4WD 4WD 2WD 4WD 2WD 2WD
1st gear 3.285 3.400 3.400 3.400 3.285 3.063
2nd gear 1.850 1.955 1.955 1.955 1.850 1.826
3rd gear 1.272 1.272 1.272 1.272 1.206 1.207
4th gear 0.954 0.954 0.954 0.954 0.911 0.902
5th gear 0.740 0.740 0.740 0.740 0.740 0.733
Reverse 3.266 3.428 3.428 3.428 3.428 3.417
Diff 4.333 4.471 4.167 4.471 3.895 4.056
More to come when i translate the rest of it