Honda Civic Transmission Guide
B-series Cable Transmission Specifications
Transmission
Name
Engine Counter Part
1st
Gear
2nd
Gear
3rd
Gear
4th
Gear
5th
Gear
Reverse Final
Y1; Y1 w/LSD
JDM B16A SiR I
3.166
2.052
1.416
1.103
0.87
3
4.266
YS1
USDM B17A1; JDM
B16A X-Si w/LSD
3.307
2.105
1.458
1.107
0.848
3
4.4
S1/J1
JDM B16A X-Si
3.23
2.105
1.458
1.107
0.848
3
4.4
S1/YS1/A1
USDM B18A
3.166
1.857
1.259
0.935
0.742
3
4.4
B-series Hydraulic Transmission Specifications
Transmission Name
Engine Counter Part
1st
Gear
2nd
Gear
3rd
Gear
4th
Gear
5th
Gear
Reverse Final
S4C/Y21
USDM B16A2, B16A3;
JDM SiR2, JDM SiR2
w/LSD
3.23
2.105
1.458
1.107
0.848
3
4.4
Y80/S80
JDM B16B w/LSD; JDM
B18C 96-spec R w/LSD
3.23
2.105
1.458
1.107
0.848
3
4.4
Y80/S80
B18B
3.23
1.9
1.269
0.966
0.714
3
4.266
S80/Y80; S80 w/LSD,
Y80 w/LSD
JDM B18C SiR-G
3.23
1.9
1.36
1.034
0.787
3
4.4
S80 w/LSD
JDM B18C Spec-R
3.23
2.105
1.458
1.034
0.787
3
4.785
Y80
USDM B18C1
3.23
1.9
1.36
1.034
0.787
3
4.4
S80 w/LSD
USDM B18C5
3.23
2.105
1.458
1.107
0.848
3
4.4
S80 w/LSD
EDM B18C Spec-R
3.23
2.105
1.458
1.034
0.787
3
4.785
D-series Cable Transmission Specifications
Transmission
Name
Engine Counter
Part
1st Gear
2nd
Gear
3rd Gear
4th
Gear
5th
Gear
Reverse Final
L3
88-91 HF
3.250
1.650
1.033
0.823
0.694
2.954
3.880
L3
88-91 DX
3.250
1.894
1.259
0.937
0.771
3.153
3.880
L3
88-91 Si
3.250
1.894
1.259
0.937
0.771
3.153
4.25
L3
JDM Integra ZXi
3.250
1.894
1.346
1.033
0.771
3.153
4.437
L3
JDM DOHC ZC
3.250
1.944
1.250
0.909
0.878
3.153
3.880
L3*
USDM D16A1
Integra
3.181
1.944
1.347
1.033
0.823
3.153
4.216
* NOTE: Will not fit 88-91 D-blocks
