i need to know any and all info ppl have ont eh h23 jdm. i know its the only 2.3l vtec engine honda made. i know it only comes in the accord Sir wagons in japan. i know it has 200hp 160ftlbs. what kinda cams, gear, pulleys, rods, n pistons, n such can be used in 1??? all info will be appreciated.

 

If you search for H23A VTEC, you'll find a lot of information. By the way, Honda also made the H23A1 ...

 

its actually 209 hp...and i think a couple more lbs of torque....and it uses h22 internals....i was given this info by steve at hmo

 

so does that mean i can use h22 cams n such when building it? where r the head stampings n how can u tell what it is? any additional building info will be helpfull

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by AzNpRiD3 &raquo;</TD></TR><TR><TD CLASS="quote">its actually 209 hp...and i think a couple more lbs of torque....and it uses h22 internals....i was given this info by steve at hmo</TD></TR></TABLE>

No...actually it's 200HP/163TQ. It has more low-end torque than an H22A and a slightly lower redline. I have one !

 

so i should use only h23a vtec parts? and does anyone know how to tell what head is on an engine???? cause we baught the car with the papers saying it was an h23 jdm in it. but the valve cover is the wrong 1 so i need to know if it just the valve cover or if it has the wrong head all together on it. how can i do this with out crackin er open.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by leprekhan &raquo;</TD></TR><TR><TD CLASS="quote">so i should use only h23a vtec parts? and does anyone know how to tell what head is on an engine???? cause we baught the car with the papers saying it was an h23 jdm in it. but the valve cover is the wrong 1 so i need to know if it just the valve cover or if it has the wrong head all together on it. how can i do this with out crackin er open.</TD></TR></TABLE>

Many H22A parts are interchangable with the H23A. Why don't you just look on the block to see if it is stamped "H23A?"

 

i know the block is the h23a i just need to know what the head is. it doesn't have the blue vtec valve cover and thats whats throughing me off. i dont know the guys that did this swap or how good there work is for that matter everything seems to be ok the engine runs great the transmission is a POS.

 

does any1know if i could put an h22 supercharger on this block?

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by leprekhan &raquo;</TD></TR><TR><TD CLASS="quote">does any1know if i could put an h22 supercharger on this block?
</TD></TR></TABLE>

I wouldn't see why not!

 

so u think i could use h22 cams, cam gears, guides, springs, rockers, valve cover, ecu, and turbo kit?

 

Why not ? I am almost positive that you could. You may want to Joel (Prelude forum moderator) just to make sure !

 

i'm still a newbie so i cant pm him so how can i ask him to find out if u can use those h22 parts on the h23a vtec jdm?

 

my local shop has done 2 of these swaps and they say they make 230hp...hmmm

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by leprekhan &raquo;</TD></TR><TR><TD CLASS="quote">i'm still a newbie so i cant pm him so how can i ask him to find out if u can use those h22 parts on the h23a vtec jdm?</TD></TR></TABLE>

im pretty sure h22 parts will work such as cams, intake manifold, vavle springs etc. Its basically a h23 with h22 vtec head from the factory.

but u need more expertise

 

My ******* that the JDM H23A DOHC VTEC makes 230HP !

 

could i use a mugen chiped p13 with an h22 fuel map?
u know nebody that sells the plug cover, or a hiflo fuel pump?
n i need to know where to get a new or reman h series auto tranny for less that $1200 if not goin with the rebuild.

 

can i use nonvtec bottom end h23 parts?? n how many hp u think an h23avtec with a T3/T4 turbo kit and a 100shot of gas with a equally built top n bottom end??

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by leprekhan &raquo;</TD></TR><TR><TD CLASS="quote">can i use nonvtec bottom end h23 parts??</TD></TR></TABLE>

NO!

 

do u know of ne companys that make bottom end parts for the h23a vtec. n i need to know if u can use h22 topend

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by AzNpRiD3 &raquo;</TD></TR><TR><TD CLASS="quote">its actually 209 hp...and i think a couple more lbs of torque....and it uses h22 internals....i was given this info by steve at hmo</TD></TR></TABLE>

It acutally uses H23 crank(see below) and h23 rods with h22 pistons...

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by H23AHybridEG &raquo;</TD></TR><TR><TD CLASS="quote">

NO!</TD></TR></TABLE>

Well, technically you are right, but this is why... the h23a vtec uses the same crank design and rods as an h23, except the h23a vtec is 98+ block so the main bearing size was changed to 55mm mains, while h23a1 non-vtecs(92-96) use 50mm mains...

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by leprekhan &raquo;</TD></TR><TR><TD CLASS="quote">do u know of ne companys that make bottom end parts for the h23a vtec. n i need to know if u can use h22 topend
</TD></TR></TABLE>

Yes you can use an h22 top end, that is what is on an h23a vtec, if you have a real h23a vtec or a built h23a1 vtec then it should have a p13 head either way...

If you need anymore info just let me know or PM me...

 

man... so many questions.. hahahah

here leprekhan, this link will help u out a whole lot: all about HONDA

 

I have one in my Del Sol and from experience I can tell you that your cilinderhead is in fact an H22 (P13) head so all aftermarket parts for an H22 head can be used
The bottomend is a different story; Main bearing size differs 5 mm. you can use aftermarket H22 pistons though and H23 Non vtec Rods I believe ( someone please correct me if I'm wrong)
I'm now running TWM Throttle bodies (H22) and waiting for a Bisimoto header (H22) and they all fit ..

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by solsurvivor &raquo;</TD></TR><TR><TD CLASS="quote">I can tell you that your cylinder head is in fact an H22 (P13) head so all aftermarket parts for an H22 head can be used
The bottomend is a different story; Main bearing size differs 5 mm. you can use aftermarket H22 pistons though and H23 Non vtec Rods I believe ( someone please correct me if I'm wrong)
</TD></TR></TABLE>

No correction necessary...

 

i talked to the guy that had the swap done he said its the org ecu so its an obd1 i know that much but i have no idea what it is n i'm sure its not vtec so i just need to get a p13 mapped for the h22?

 

would a non vtec ecu cause the car to car's idle to flutter when its cold or is that just the erg?