Base Specifications of the JC / Eunos Cosmo
1990 / 1991 / 1992
Specifications
Wheelbase: 108.3 inches
Length: 189.6 inches
Width: 70.7 inches
Height: 51.4 inches
Ride Height: ???
Track: Front 59.8 / Rear 59.4
Curb Weight: 3,461 lbs
13B-REW: 19.0 Gal fuel tank
20B-REW: 22.5 Gal fuel tank
There were two engine options available, a 13B-REW and a 20B-REW.
- 20B-REW - Three-rotor coupled to twin Hitachi turbochargers producing 300hp @ 6500 rpms and 296 lbft @ 3000 rpms
- 13B-REW - Two-rotor coupled to twin Hitachi turbochargers producing 236hp @ 6500 rpms and 216 lb ft @ 3000 rpms
There was only one transmission option available, a JATCO 4 speed automatic but the ratios vary based on the engine selection.
The gear ratios for the 20B-REW are as follows:
1st: 2.78
2nd: 1.54
3rd: 1.00
4th: 0.69
The gear ratios for the 13B-REW are as follows:
1st: 3.03
2nd: 1.62
3rd: 1.00
4th: 0.69
The differential options also varied based on the engine selection.
For the 20B-REW:
- Final drive ratio of 3.91
- Viscous LSD from 1990 to 1991
- Torsen LSD from 1992 to 1995
For the 13B-REW:
- Final drive ratio of 4.30
- Open differential standard from 1990 t0 1993
- Viscous LSD optional from 1990 to 1991
- Torsen LSD (optional for 1992 / 1993) from 1992 to 1995
1993 / 1994 / 1995