The Honda H engine was Honda's high-performance engine family from the 1990s and early 2000s. It is largely derived from the Honda F engine with which it shares many design features. Like Honda's other 4-cylinder families of the 80s and 90s, it was replaced by the Honda K engine. It has also enjoyed some success as a racing engine, forming the basis of Honda's Touring car racing engines for many years, and being installed in lightweight chassis (such as the Honda CRX) for use in drag racing.
The F20B, though technically coded part of the F-series family of
engines, was basically a destroked version of the H22A. It was
developed for Honda to be able to enter into the 2-liter class in
The H22 debuted in the U.S. in 1993 as the H22A1 for use in the Honda Prelude VTEC.
Since then, versions of the H22 would become the Prelude's signature
high-performance engine worldwide until the end of Prelude production
in 2001. Variations were also used in a few Accords
in Japan and Europe. In 1994, Honda of Europe used the H22A cylinder
head and the H22A engine block as Formula 3 engine which was destroke
H22A engine from 2.2 liters to 2.0 liters(F3-2000cc)to compete in the
European F3 series then it was used by Mugen Motorsports as F20B from
1997-2001. In 1995-1997,Honda of Europe used the same H22A based F3
engine in the British Touring Car Championship(BTCC)Honda Accord.
Also,in 1996-1997 Honda of Japan used the same H22A based F3 engine in
the Japan Touring Car Championship(JTCC)Honda Accord and won the JTCC
for both years. Honda of Europe hired Neil Brown Engineering of England
to convert the H22A engine to F3 engine which would be later used in
BTCC and JTCC. (www.nbe.co.uk/super_touring.html)
The H23 was an increased-stroke, non-VTEC version of the H22, used
in Japan, North America, and Europe. It shared the same Fiber
Reinforced Metal (FRM) cylinder wall liners with the H22.
H23A DOHC VTEC
In 1998, Honda of Japan produced a rare DOHC VTEC version of the
H23A engine for use in Japan only. It has been factory modified with an
internal oil passage in the H23A block to operate the VTEC solenoid in
the H22A head. Having the same horsepower rating as the H22A engine but
it has a lower redline because it has a longer stroke than H22A. H23A
DOHC VTEC has 87mm x 95mm (bore and stroke)and the H22A DOHC VTEC has
87mm x 90.7mm (bore and stroke). The H23A DOHC VTEC Engine is largest
displacement in the H Series engines with a compression ratio of 10.6:1.