I was reading the Top End Motor Sports' Accord forum and I came across this one post ( http://www.topendmotorsports.c...pp=10 it the bottom post) about the H series engine and someone in the forum said that there was a Vtec H23. He said the engine code was H23a8. I have never heard of that engine before, but he gave a link to a website ( http://naganojapanese.com/h23a.php ) that is selling an engine like that. Is this really a real engine?

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Easyslider01 &raquo;</TD></TR><TR><TD CLASS="quote">I was reading the Top End Motor Sports' Accord forum and I came across this one post ( http://www.topendmotorsports.c...pp=10 it the bottom post) about the H series engine and someone in the forum said that there was a Vtec H23. He said the engine code was H23a8. I have never heard of that engine before, but he gave a link to a website ( http://naganojapanese.com/h23a.php ) that is selling an engine like that. Is this really a real engine?</TD></TR></TABLE>

to my knowledge, there was an incredibly rare h23 vtec motor......i believe it was avaiable on one of japans many variations on the ADM 6th gen accord (particularly the wagon)........if one were to really want an h23 vtec, then the two other (and more optimal) solutions would be to throw an h22 head onto an h23, or to bore out an h22 to 2.3L.....then get s dremel grider and redrill the block to say h23

 

Would that fit a 1990 Accord LX

 

sure.....why not???

but a LS1 will also fit into an accord........."fit" is a very broad term

 

Every engine importer can get h23 vtec, Euro-r accords have them, Hmotorsonline has them for 4 grand with lsd tranny, and total-boost can get them.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by skunk2lude01 &raquo;</TD></TR><TR><TD CLASS="quote"> Every engine importer can get h23 vtec, Euro-r accords have them, Hmotorsonline has them for 4 grand with lsd tranny, and total-boost can get them.</TD></TR></TABLE>

sorry, incorrect...accord euro r's (up until the 7th gens) were only equipped with h22's...

most of these importers merely slap an h22 head on an h23 block and call it an h23 vtec...

also, unfortunately, the h23 vtec's only came with an auto tranny...but it was equipped with an lsd...

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Papichulo1767 &raquo;</TD></TR><TR><TD CLASS="quote">Would that fit a 1990 Accord LX</TD></TR></TABLE><TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by fw190bvi &raquo;</TD></TR><TR><TD CLASS="quote">sure.....why not???

but a LS1 will also fit into an accord........."fit" is a very broad term </TD></TR></TABLE>

fitting an h23 vtec is the exact same as fitting an h22...they both use the exact same block and motor mounts...

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by fw190bvi &raquo;</TD></TR><TR><TD CLASS="quote">to my knowledge, there was an incredibly rare h23 vtec motor......i believe it was avaiable on one of japans many variations on the ADM 6th gen accord (particularly the wagon)........if one were to really want an h23 vtec, then the two other (and more optimal) solutions would be to throw an h22 head onto an h23, or to bore out an h22 to 2.3L.....then get s dremel grider and redrill the block to say h23 </TD></TR></TABLE>

actually, the real h23 vtec has a more square r/s ratio, enabling it to rev into the 8k+ range...the h23 vtec motors made out of an h23 block with an h22 head, well, if you rev it that high, you're crazy...the h23's use the same crank as an f22, and also share the same stroke obviously...you would not want a motor with such a long stroke to be revving to 8k...this is a big reason why a lot of people who build h23 vtec motors end up blowing them shortly after...

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Nick H &raquo;</TD></TR><TR><TD CLASS="quote">

actually, the real h23 vtec has a more square r/s ratio, enabling it to rev into the 8k+ range...the h23 vtec motors made out of an h23 block with an h22 head, well, if you rev it that high, you're crazy...the h23's use the same crank as an f22, and also share the same stroke obviously...you would not want a motor with such a long stroke to be revving to 8k...this is a big reason why a lot of people who build h23 vtec motors end up blowing them shortly after...</TD></TR></TABLE>

is this because most people will use a standard h22 ecu?? which will "allow" them to take it up to 8k, even though the h23 block doesnt wanna go that far???

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Nick H &raquo;</TD></TR><TR><TD CLASS="quote">most of these importers merely slap an h22 head on an h23 block and call it an h23 vtec...</TD></TR></TABLE>

I don't see how that could fly considering the H23 non vtec block has the H23A1 designation and the H23 VTEC is simply an H23A...

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Nick H &raquo;</TD></TR><TR><TD CLASS="quote">

actually, the real h23 vtec has a more square r/s ratio, enabling it to rev into the 8k+ range...the h23 vtec motors made out of an h23 block with an h22 head, well, if you rev it that high, you're crazy...the h23's use the same crank as an f22, and also share the same stroke obviously...you would not want a motor with such a long stroke to be revving to 8k...this is a big reason why a lot of people who build h23 vtec motors end up blowing them shortly after...</TD></TR></TABLE>

and how is it any more or less square with the same 87mm bore and 95mm stroke? That doesn't make any sense... same R/S ratio... Although I don't fully remember the details...seeing as how that motor holds no fascination with me... from someone who tore apart the bottom end of a JDM h23a vtec said that there were differences in the design & parts and in his opinion that is the most likely reason why it is so troublefree when revving it high compared to the hybrid h23Vtec...

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by ZigenBallz &raquo;</TD></TR><TR><TD CLASS="quote">

I don't see how that could fly considering the H23 non vtec block has the H23A1 designation and the H23 VTEC is simply an H23A....</TD></TR></TABLE>

it flies because they can call it whatever they want......they made the motor......just like when someone says "ive got a mini-me", when someone says "ive got an h23vtec," it is assumed its an h23a1 block w/ an h22a/a1/a4/a7 head..........

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by fw190bvi &raquo;</TD></TR><TR><TD CLASS="quote">

it flies because they can call it whatever they want......they made the motor......just like when someone says "ive got a mini-me", when someone says "ive got an h23vtec," it is assumed its an h23a1 block w/ an h22a/a1/a4/a7 head..........</TD></TR></TABLE>

eh... not really...

I was just saying.. that if I paid money for a JDM H23A VTEC engine and got an engine with an H23A1 block code there'd be some angry phone calls and they'd better take it back... considering there was no JDM H23A1 engine in the first place... only a total moron would accept that engine...

assumed by who? Whenever I see an H23VTEC mentioned I always wonder to myself if it's the JDM motor or a hybrid... I do realize alot of people are fairly ignorant when it comes to the lesser known JDM motors though ...hence all the inevitable "that motor doesn't exist!" or "it's not JDM blah blah blah" posts in all the H23A VTEC and F22B dohc threads... nevermind... I think I answered my own question about who makes those assumptions...

 

the h23 vtec was found in 6th gen accord wagon SiR's. it is the same block as the h22a, jstu longer storke, they did it for a more powerful wagon while keeping a bit more torque and a power range that was more in line with a wagon driver. 197 hp and 163 ft/lbs of torque coming in at a lower rpm than the h22a.

 

Yeah I was wrong about euro-r it is the wagon sir, I want the euro-r for my 6th gen, but for 4+ a jdm h22 with smsp header and aftermarket lsd would be alot faster better handling setup, but Ive already modded a prelude the h22 doesnt impress me to much with boltons alone, I have never had a euro-r or lude s-type either.

Btw that price on the h23 isnt bad at all. Has anyone ever dealt with this company before?

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by ZigenBallz &raquo;</TD></TR><TR><TD CLASS="quote">I don't see how that could fly considering the H23 non vtec block has the H23A1 designation and the H23 VTEC is simply an H23A...
</TD></TR></TABLE>

well, lots of people are like, h23vtec, must be true!...and as for the companies selling these h23vtec hybridized motors, i've heard of at least 2 instances from this site alone...

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by ZigenBallz &raquo;</TD></TR><TR><TD CLASS="quote">and how is it any more or less square with the same 87mm bore and 95mm stroke?.</TD></TR></TABLE>

ermm, i was under the impression the h23 vtec had an 89mm bore and 93mm stroke...although, it fails me where these specs came from...

also, this motor was very limited in production numbers...somewhere in the 2000 range and also only in 98 and 99...