I have an H23 block and i am going to build it from the ground up with race performance parts but since H23 are non-VTEC i wanted to put an H22 VTEC head on it. I have heard it could be done but was wondering for sure, are there any problems i may run in to. Thanks in advance.

 

From what I've heard its difficult and yeilds virtually no gains over H22. Although if you dont mind a bunch of work and you already have all the parts, go for it. Good luck

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by streetracerof06 &raquo;</TD></TR><TR><TD CLASS="quote">I have an H23 block and i am going to build it from the ground up with race performance parts but since H23 are non-VTEC i wanted to put an H22 VTEC head on it. I have heard it could be done but was wondering for sure, are there any problems i may run in to. Thanks in advance.</TD></TR></TABLE>

only problem is more power than an h22.. its not as hard as homeboy just stated.. but keep in mind that motor doesnt have a good rod ratio, so ur redline is gonna be lower.. if u try to rev it like a b16.. or an h22, eventually u will have probs..

 

Ive done this head swap before and its pritty powerful but its really easier to just buy a h22 and make the the power right out the box.

FOR SALE******** 91 Honda Accord H22 Type-S swap 2 door coupe bronze color,black rota slips, Apexi WS exhaust, full MSD Ignition, Jun ECU Sparco seat with harness very clean garage kept 16K on engine. Royal Purple Oil changed every 1000 miles. 13.26 @103.5 mph $5500.00 Please call Matt 804-437-3386

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by turboedd15b &raquo;</TD></TR><TR><TD CLASS="quote">Ive done this head swap before and its pritty powerful but its really easier to just buy a h22 and make the the power right out the box.

FOR SALE******** 91 Honda Accord H22 Type-S swap 2 door coupe bronze color,black rota slips, Apexi WS exhaust, full MSD Ignition, Jun ECU Sparco seat with harness very clean garage kept 16K on engine. Royal Purple Oil changed every 1000 miles. 13.26 @103.5 mph $5500.00 Please call Matt 804-437-3386</TD></TR></TABLE>

possibly.. but doesnt the h23/vtec hp/tq advantage worth the trouble?

 

^^ there is almost no gains. do a search, there are a few threads with h22 and h23vtec dynos on top of one another with no difference.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 93CX &raquo;</TD></TR><TR><TD CLASS="quote">^^ there is almost no gains. do a search, there are a few threads with h22 and h23vtec dynos on top of one another with no difference. </TD></TR></TABLE>

i did do a search.. ie
https://honda-tech.com/zerothread?id=978668

and u dont call about 10-20whp more w/ less compression and a lower redline a difference?

 

I believe this gives you roughly a 2.4 motor.... (heard, don't quote me)

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by fast88std &raquo;</TD></TR><TR><TD CLASS="quote">I believe this gives you roughly a 2.4 motor.... (heard, don't quote me)</TD></TR></TABLE>

nah.. the motor displacement wise stays the same... a 2.3l since the bottom end is untouched.. you would have to put some big pistons in that thing to get it to a 2.4l---

the advantage of the combo is the stroke.. like an ls/vtec.. an ls motor isnt that much bigger than a gsr, but the stroke is increased....... h23/vtec same thing.. now just imagine... ls motor gives u 2mm extra stroke over a gsr.. and its proven it makes more power.. now a h23 gives an additional 4mm's.. hmm i wonder?..