H22A
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By -EJ1- COUPE
#17570 The H22A debuted in 1993 for use in the Honda Prelude VTEC as the H22A1. Versions of the H22A would be the Prelude's signature high-performance engine worldwide until the end of Prelude production in 2001. It was also used in the 1994?1997 Honda Accord SiR and 1998?2002 Honda Accord Euro-R in Japan (however different cams and lightweight crank were used in the Euro R H22A). The H22A in the Prelude Type-S and CL1 Euro-R came with the trademark red crackle finish valve cover.

Specifications

Bore ? Stroke: 87.0 ? 90.70 mm
Displacement: 2157 cc (132 cu. in.)
Valve Configuration: DOHC, 16 valves, VTEC
Type: In-line 4 cylinder, aluminum block and head
Compression ratio: 10.0:1 (North America); 10.6?11.0:1 (Japan)
Max power: 190PS (CD6 Accord); 200PS (BB1/4/6 Prelude SiR's); 220PS (Euro-R & Prelude Type-S) (142?164 kW)
Max torque: 156?163 ft?lbf (207?217 Nm)
Redline: 7500 rpm
Engine Control System: Honda Systems PGM-FI with port fuel injection
Valve Gear: Belt-driven dual overhead cams, 4 valves per cylinder, variable timing and lift
Engine Oil Capacity w/ Filter: 5.1 Liters
H22A4

The H22A4 is the designation of the engine used in the Base and Type-SH 97-01 Honda Prelude.
This engine was only released in the US in all their models, and these are designated with the "black tops".

H22A8

This motor was only released within the European versions of the Prelude and can be designated with the "red tops".

H23A1
The H23A1 was an increased-stroke, non-VTEC version of the F22B, designed for the North American market version of the 1992?1996 Honda Prelude Si.

Specifications

Bore x Stroke: 87.0 x 95.0 mm
Displacement: 2258 cc (138 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
Engine Oil Capacity w/ Filter: 114.5 Liters
There is also a DOHC VTEC version of the H23A, available in the CH6 and CL2(4WD) accord (CF4 wagon) SiR in Japan.

Specs remain largely similar to the H23A for North America, albeit differ in the introduction of VTEC mechanism and more power

Specifications

Compression ratio: 10.6:1
Max output : 200 PS @ 6800 rpm
Max torque : 220 Nm @ 5300 rpm
Redline: 7200 rpm
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By vtec_gloucester
#17610 some ones looking to get another spanner. :lol:

nice info dude :thumb:
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By weaponr82
#19553 Thats a lot of great info :cheers:
By mynameisowen
#50252 hi guys,
me and some mates are dropping a uk spec h22a5 into a crx.
From reading this thread and others on other sites, im guessing you yanks havnt heard of the h22a5, baaaaasically, its got around 187 hp and pretty much normal power, it also has a black rocker cover, possibly the same as a US spec h22???

CRX's rule!!!!!!!!!!!!!!!!!!!!!!!1