Honda Prelude All Model Preludes

how much power can u get from a H23

Thread Tools
 
Search this Thread
 
Old Oct 20, 2005 | 01:33 PM
  #1  
Lazy Butt ALex's Avatar
Thread Starter
 
Joined: Sep 2004
Posts: 22
Likes: 0
From: ca
Default how much power can u get from a H23

i was wondering..hwo much power can u get from a h23..if u go n/a...like if u port n polish the head..i/h/e...and maybe a chiped ECU..(if that does anyhting to a non vtec motor...im not sure)..would it be able to keep up with thte RSX-S...does anyone here have a N/A h23?
Reply
Old Oct 20, 2005 | 01:40 PM
  #2  
InvaderTrax's Avatar
Honda-Tech Member
 
Joined: Sep 2005
Posts: 2,905
Likes: 1
From: Knoxville, TN, United States
Default

With a P&N head and intake, bored throttle body, cams, and i/h/e, you can make 200 whp (assuming the engine you start with is in good condition)
Reply
Old Oct 20, 2005 | 01:50 PM
  #3  
PreLuDeSiR's Avatar
Junior Member
 
Joined: Dec 2004
Posts: 144
Likes: 0
From: Norcal
Default Re: (InvaderTrax)

how much power can a bored t/b really get you?
Reply
Old Oct 20, 2005 | 01:50 PM
  #4  
Lazy Butt ALex's Avatar
Thread Starter
 
Joined: Sep 2004
Posts: 22
Likes: 0
From: ca
Default Re: (InvaderTrax)

do u know any company..tht makes cams for H23?
Reply
Old Oct 20, 2005 | 01:51 PM
  #5  
HondaH22A's Avatar
Junior Member
 
Joined: Sep 2002
Posts: 214
Likes: 0
From: USA
Default Re: how much power can u get from a H23 (Lazy Butt ALex)

Lazy Butt Alex, with that kind of upgrades, my opinion, I would say that between you & the RSX-S will be up to the driver but with that kind of money you'll spending on modifications, I much rather do the H22A swap.

As with camshafts, JG Engine Dynamics made a regrind factory cams. If you don't want a regrind cams, go with Crower.
Reply
Old Oct 20, 2005 | 01:59 PM
  #6  
Lazy Butt ALex's Avatar
Thread Starter
 
Joined: Sep 2004
Posts: 22
Likes: 0
From: ca
Default Re: how much power can u get from a H23 (HondaH22A)

ya..i was thikning h22..but...its kinda hard to save 2,000-2,500..hahha...but VTEC..would sould sooo nice..-_-..but a H23..smoking a rsx-s..would be awsome too..n its more rare..for a h23 to get fixed up..w/o turbo i guess? i dont know....

quesiton
does chiped ECU..them hondata stuff..do anything to cars w/o vtec?..like my H23


edit
what is this regrind cams, go with Crower....whts regrind..and crower? sorry im kinda new to all this


Modified by Lazy Butt ALex at 5:15 PM 10/20/2005
Reply
Old Oct 20, 2005 | 02:03 PM
  #7  
HondaH22A's Avatar
Junior Member
 
Joined: Sep 2002
Posts: 214
Likes: 0
From: USA
Default

Yea you can use Hondata even though your engine isn't a VTEC engine.

Reply
Old Oct 20, 2005 | 02:12 PM
  #8  
AndyD's Avatar
Honda-Tech Member
iTrader: (1)
 
Joined: Aug 2002
Posts: 5,596
Likes: 5
From: MD, USA
Default Re: (InvaderTrax)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by InvaderTrax &raquo;</TD></TR><TR><TD CLASS="quote">With a P&N head and intake, bored throttle body, cams, and i/h/e, you can make 200 whp (assuming the engine you start with is in good condition)</TD></TR></TABLE>

Show me one example of someone with a 200whp H23.

The H23 is a decent motor but to get power out of it takes a complete rebuild. Best you should expect is 185whp.
Reply
Old Oct 20, 2005 | 02:20 PM
  #9  
InvaderTrax's Avatar
Honda-Tech Member
 
Joined: Sep 2005
Posts: 2,905
Likes: 1
From: Knoxville, TN, United States
Default

I can't remember his name, but there's a guy here who put down 180 with i/h/e and cams. Anyway, the P&P intake and bigger tb will gain you about 10hp. A regrind cam is where you send a company your stock cams and they change the shape of the lobes to a higher performance spec. Pros are that they're cheaper then new cams, but the con is that they can wear flat. Crower is a company that makes brand new cams for the H23. They're 2x more expensive then a regrind, but they'll last much longer. And if you were to go H22, you'd put down 160 whp stock, and would still need i/h/e and chipped ECU to come close to 200. I'm with you. I'd rather have a 200 whp H23 then H22
Reply
Old Oct 20, 2005 | 02:41 PM
  #10  
AndyD's Avatar
Honda-Tech Member
iTrader: (1)
 
Joined: Aug 2002
Posts: 5,596
Likes: 5
From: MD, USA
Default Re: (InvaderTrax)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by InvaderTrax &raquo;</TD></TR><TR><TD CLASS="quote">I can't remember his name, but there's a guy here who put down 180 with i/h/e and cams. </TD></TR></TABLE>

If you are talking about Pirate McFred, he has the G23 hybrid. He puts down 183whp but he is running Crower cams, upgraded valvetrain, Accord F23 bottomend (more stroke), cam gears, intake, DC header, 12.0+:1 compression pistons, and possibly a few other things. I highly doubt there is anyone with a 180whp I/H/E and cams.

https://honda-tech.com/zerothread?id=1046336
Reply
Old Oct 20, 2005 | 06:05 PM
  #11  
PirateMcFred's Avatar
Honda-Tech Member
 
Joined: Oct 2003
Posts: 3,732
Likes: 2
From: Betonwüsten, USA
Default Re: (AndyD)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by AndyD &raquo;</TD></TR><TR><TD CLASS="quote">Show me one example of someone with a 200whp H23.</TD></TR></TABLE>

Bokchoy supposedly got 210 but talk about fully built... He never posted a graph though. I think he's going to go turbo now...

Pirate
Reply
Old Oct 20, 2005 | 06:31 PM
  #12  
92hondalude's Avatar
Honda-Tech Member
 
Joined: Aug 2004
Posts: 2,370
Likes: 1
From: Kitty Hawk, NC, 27949
Default Re: (silverlude15)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Lazy Butt ALex &raquo;</TD></TR><TR><TD CLASS="quote">ya..i was thikning h22..but...its kinda hard to save 2,000-2,500..hahha...but VTEC..would sould sooo nice..-_-..but a H23..smoking a rsx-s..would be awsome too..n its more rare..for a h23 to get fixed up..w/o turbo i guess? i dont know....

quesiton
does chiped ECU..them hondata stuff..do anything to cars w/o vtec?..like my H23


edit
what is this regrind cams, go with Crower....whts regrind..and crower? sorry im kinda new to all this


Modified by Lazy Butt ALex at 5:15 PM 10/20/2005</TD></TR></TABLE>

2000-2500!
i bought my h22a4 with tranny and **** for 900
im trying to sell the tranny i want to keep the h23 tranny.
if you search for a long time you will find a good deal
Reply
Old Oct 20, 2005 | 06:36 PM
  #13  
BokChoy's Avatar
 
Joined: Nov 2004
Posts: 321
Likes: 0
From: Niverville, M.B., Canada
Default Re: (PirateMcFred)

I got 214 tuned on only a F.P.R. because "4piston" sold me an AEM EMS that didn't work, and that was on a mustang dyno which apparently reads low all of the time. I figure with a good tune I could have got at least 10-15 extra w.h.p. because @ 6400rpm my ecu would fatten up my a.f. mixture and the car would fall flat on its face. I was running almost 13:1 compression and it was a waste of time, so while I was swapping out the pistons, yes I decided to boost. With that super tame tune I was absolutely hammer smashing H22's, it wasn't even close. You can't compete with low end torque, the H23 is not a waste of time, but don't expect big numbers cheap because there is no after market support! I was running a shitty DC sports header but I don't put much stock in good headers, I believe with a collector mod I would be right there with the best of them. In my opinion all vtec is, is an aggressive cam profile and a little bit better flowing head so with a P&P and some cams why shouldn't an H23 be better? but again it will be more work doing an H23, I never got around to posting my dyno graph, I didn't think it was worth it because it was only 214 whp but if I have doubters I may have to. Let me dig around to see what I can find.
Reply
Old Oct 20, 2005 | 06:47 PM
  #14  
SUB-0 H23's Avatar
Honda-Tech Member
 
Joined: Jul 2002
Posts: 978
Likes: 0
From: nonvtec road, SoCali
Default Re: (BokChoy)

im not doubting, but it would be nice to see the graph
Reply
Old Oct 20, 2005 | 07:22 PM
  #15  
PirateMcFred's Avatar
Honda-Tech Member
 
Joined: Oct 2003
Posts: 3,732
Likes: 2
From: Betonwüsten, USA
Default Re: (BokChoy)

It's too bad you never got a chance to tune fully. That would have made for some nice numbers...

Pirate
Reply
Old Oct 20, 2005 | 08:13 PM
  #16  
AndyD's Avatar
Honda-Tech Member
iTrader: (1)
 
Joined: Aug 2002
Posts: 5,596
Likes: 5
From: MD, USA
Default Re: (BokChoy)

214 is really impressive, though the first question comes to mind; How much after all was said and done? Would it have been cheaper to build an H22 with a stroked H22 crank?

Was your TQ figure close to your peak HP number?
Reply
Old Oct 20, 2005 | 08:41 PM
  #17  
mgags7's Avatar
Honda-Tech Member
 
Joined: Mar 2004
Posts: 15,050
Likes: 3
Default

i believe that guy was turbo when he put those numbers down....
Reply
Old Oct 21, 2005 | 05:54 AM
  #18  
BokChoy's Avatar
 
Joined: Nov 2004
Posts: 321
Likes: 0
From: Niverville, M.B., Canada
Default Re: (mgags7)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by mgags7 &raquo;</TD></TR><TR><TD CLASS="quote">i believe that guy was turbo when he put those numbers down....</TD></TR></TABLE>

your not talking about me are you?

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by PirateMcFred &raquo;</TD></TR><TR><TD CLASS="quote">It's too bad you never got a chance to tune fully. That would have made for some nice numbers...

Pirate</TD></TR></TABLE>

I was really disappointed in my peak tq, it was 177 and I had way higher expectations. I don't really care that a mustang dyno reads way lower but I'm sure I could have tracked down a dynojet just to make me feel better and put down 230. As for cost... I sold the H22 out of my car to basically pay for the building of the bottom end work on an H23 that I had laying around, and head work would've needed to be done regardless. I put that setup against against a built B20 vtec, not as built as me, and hosed him in the bottom only to have him make up some ground as we got up higher, but I still beat him. Its to bad I tore the engine down because now I have an F.J.O. standalone, coil on plug etc (read up them and their 341B AMAZING) but the engine only has 8:1 compression. Not exactly an all motor monster. H23's can put down very good, usable power which is a blast on the streets and I would recomend builing one to anybody!
Reply
Old Oct 21, 2005 | 10:05 AM
  #19  
mgags7's Avatar
Honda-Tech Member
 
Joined: Mar 2004
Posts: 15,050
Likes: 3
Default

so you are saying that you built a 217whp all motor h23....was it stock bore and stroke, and what cams were you running??

also what header?
Reply
Old Oct 22, 2005 | 08:27 AM
  #20  
BokChoy's Avatar
 
Joined: Nov 2004
Posts: 321
Likes: 0
From: Niverville, M.B., Canada
Default Re: (mgags7)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by mgags7 &raquo;</TD></TR><TR><TD CLASS="quote">so you are saying that you built a 217whp all motor h23....was it stock bore and stroke, and what cams were you running??

also what header?</TD></TR></TABLE>

I am not saying I built a 217whp H23, I'm saying a built an H23 that hit 214whp peak and when it was all said and done the dyno pull that proved to make the best power through out was 210whp. I did some work to get it there:

https://honda-tech.com/zerothread?id=1067251

The only difference from that old post, to what I actually did was my engine management, nobody can tune a uni-chip around here, so I bought an EMS which as I stated earlier never worked. The most action the EMS saw was getting mailed out to get fixed and getting mailed back. This power was made on a chipped ECU from gude and a FPR with ignition timing being played with... thats it. There was a ton of power left in that engine, I built it to spin to 8k and I could only make power to 6400rpm. I'm posting the dyno graph I'm sensing some doubt.
Reply
Old Oct 22, 2005 | 08:43 AM
  #21  
mgags7's Avatar
Honda-Tech Member
 
Joined: Mar 2004
Posts: 15,050
Likes: 3
Default

get an ems in there and go tune that bioch...that sounds like an awesome setup
Reply
Old Oct 31, 2005 | 05:30 PM
  #22  
Top Ramen's Avatar
Honda-Tech Member
 
Joined: Sep 2003
Posts: 3,234
Likes: 0
From: Austin, Republic of Texas
Default Re: how much power can u get from a H23 (HondaH22A)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by HondaH22A &raquo;</TD></TR><TR><TD CLASS="quote">JG Engine Dynamics made a regrind factory cams. If you don't want a regrind cams, go with Crower. </TD></TR></TABLE>

Shouldn't buy from JG anyway - Javier is a ******* shady thief.
Reply
Old Oct 31, 2005 | 08:37 PM
  #23  
high_revs's Avatar
Honda-Tech Member
 
Joined: Feb 2005
Posts: 9,429
Likes: 0
From: New Joisey
Default

go with some stage 3 cams and some custom pistons with sleeving and a nice intake manifold, and header and i see the h23 making close to 200whp if not higher...i went 14.8 @ 96 with a 2.4 60 foot, my h23 had stage 2 crower spec cams which i am now selling :-).....h23
Reply
Old Apr 4, 2024 | 10:47 AM
  #24  
Bth23aNA's Avatar
Trial User
 
Joined: Apr 2024
Posts: 1
Likes: 0
Default Re: (PirateMcFred)

Originally Posted by BokChoy
I got 214 tuned on only a F.P.R. because "4piston" sold me an AEM EMS that didn't work, and that was on a mustang dyno which apparently reads low all of the time. I figure with a good tune I could have got at least 10-15 extra w.h.p. because @ 6400rpm my ecu would fatten up my a.f. mixture and the car would fall flat on its face. I was running almost 13:1 compression and it was a waste of time, so while I was swapping out the pistons, yes I decided to boost. With that super tame tune I was absolutely hammer smashing H22's, it wasn't even close. You can't compete with low end torque, the H23 is not a waste of time, but don't expect big numbers cheap because there is no after market support! I was running a shitty DC sports header but I don't put much stock in good headers, I believe with a collector mod I would be right there with the best of them. In my opinion all vtec is, is an aggressive cam profile and a little bit better flowing head so with a P&P and some cams why shouldn't an H23 be better? but again it will be more work doing an H23, I never got around to posting my dyno graph, I didn't think it was worth it because it was only 214 whp but if I have doubters I may have to. Let me dig around to see what I can find.
I built a h23a vtec in a 01 accord its got crower cams valvetech valve train pnp with a 70mm tb and I'm putting down 220 whp of course with chipped p28 f series Trans and it's a torque monster .. looking to figure how to stay na and get a little more top end cause freeway speeds in 5th I'm at like 3500 rpm (changed limit to 8500) any ideas you may have ????
Reply
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
Dabrybry
All Motor / Naturally Aspirated
3
Oct 21, 2008 02:21 PM
Neonxiii
All Motor / Naturally Aspirated
17
Nov 30, 2006 06:52 PM
HondaVTEC1993
Honda Prelude
3
Oct 9, 2005 07:11 PM
chitown2769
Honda Prelude
2
Oct 1, 2004 04:53 PM
billk2k
Honda Prelude
3
Mar 18, 2003 08:40 AM




All times are GMT -8. The time now is 11:22 PM.