This is as much as I've found out for my 2.3Si 4WS.

Bodywork

Type: 2+2 FHC
Number of doors: 2
Dimensions
Wheelbase: 2550 mm / 100.39 in
Track front: 1524 mm / 60.00 in
Track rear: 1514 mm / 59.60 in
Length: 4440 mm / 174.80 in
Width: 1765 mm / 69.48 in
Kerb weight: 1310 kg / 2888.05 lb
Weight distribution F/R: 58 %

Engine

Manufacturer: Honda
Type: S-4 DOHC 16 valves - 4 valves per cylinder
Main bearings: 5
Bore x stroke: 87.00mm × 95.00mm
Bore / stroke ratio: 0.92
Displacement: 2259 cc / 137.85 cu in
Compression: 9.80:1
Fuel system: Honda PGM-FI fuel inj.
Aspiration: Normal
Catalytic Converter: Y
Max. output: 160.2 PS (158.0 bhp) (117.8 kW) @ 5800 rpm
Max. torque: 209.0 Nm (154 lbft) (21.3 kgm) @ 4500 rpm
Coolant: Water
Specific output: 69.9 bhp/litre
Specific torque: 92.52 Nm/litre

Performance

0-60mph: 7.8s
Quarter mile: 16.20s
Top speed: 213 kph / 134mph
Power to weight: 120.61 bhp/ton

Chasis

Engine location: Front
Engine alignment: Transverse
Suspension front: Double wishbone (I.DW.CS.ARB.)
Suspension rear: Double wishbone (I.DW.TA.CS.ARB.)
Transmission: 5M
Drive: FWD

Gearbox and Ratios

Gear, Mph per 1000 RPM, Mph @ 5800 RPM, Mph @ 6500 RPM
1, 5.06, 29, 33
2, 9.01, 52, 59
3, 12.68, 74, 82
4, 16.19, 94, 105
5, 20.61, 120, 134

Gear, RPM drop (change @5800), RPM drop (change @6500)
1st to 2nd, -2543 (to 3257), -2850 (to 3650)
2nd to 3rd, -1677 (to 4123), -1880 (to 4620)
3rd to 4th, -1257 (to 4543), -1408 (to 5092)
4th to 5th, -1245 (to 4555), -1396 (to 5104)