H23 heeft geen VTEC.
H23A1
The H23A1 was an increased-stroke, non-VTEC version of the H22a, designed for the North American, European and UK market 1992–1996 Honda Prelude Si. It shared the same Fiber Reinforced Metal (FRM) cylinder wall liners with the H22a.
Specifications
Bore × Stroke: 87.0 mm × 95.0 mm (3.43 in × 3.74 in)
Displacement: 2,258 cc (137.8 cu in)
Valve Configuration: DOHC, 16 valves
Type: In-line 4 cylinder, aluminum block and head
Compression ratio: 9.8:1
Max power: 160 hp (119 kW)
Max torque: 163ft·lbf (207 Nm)
Redline: 6500 rpm
Engine Control System: Honda Systems PGM-FI with port fuel injection
Valve Gear: belt-driven dual overhead cams, 4 valves per cylinder
There is also a DOHC VTEC version of the H23A, available in the CH9 Accord Wagon SiR in Japan which only is available with a automatic triptronic 7 position electronic control 4 speed automatic (S matics). It was also used in the CL2 Accord Wagon which has AWD. This engine came with a blue top.
Specifications
Compression ratio: 10.6:1
Max output : 200 PS (197 hp/147 kW) @ 6800 rpm
Max torque : 220 N·m (160 ft·lbf) @ 5300 rpm
Redline: 7000 rpm
http://en.wikipedia.org/wiki/Honda_H_engine