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Old Jul 29, 2009 | 05:19 PM
  #1  
Kronn 98SH's Avatar
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Default H Series Engines

Because you just can't trust Wikipedia, because I have lots of free time, because I'm good at it, because it's useful. That's why.

There are lots of question marks, so please help me fill in the gaps.



Keywords: H22, H22A, H22A1, H22A2, H22A3, H22A4, H22A5, H22A6, H22A7, H22A8, H22A?, H23, H23A, H23VTEC, H23AVTEC, H23A1, H23A2, H23A3, H23A4, H23A?, blacktop, black top, bluetop, blue top, redtop, red top

Last edited by Kronn 98SH; Aug 2, 2009 at 10:01 PM.
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Old Jul 29, 2009 | 09:05 PM
  #2  
minilogoguy18's Avatar
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Default Re: H Series Engines

I thought the Torneo Euro R came AWD while all other trims using the F20b were FF.
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Old Aug 2, 2009 | 07:35 PM
  #3  
Kronn 98SH's Avatar
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Default Re: H Series Engines

Really? 1 reply? That's it?
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Old Aug 3, 2009 | 06:09 AM
  #4  
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Default Re: H Series Engines

Thats a lot of info to digest.....
I will be looking at it over the new few days to see if I can add...
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Old Aug 3, 2009 | 07:08 AM
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Default Re: H Series Engines

JDM Prelude S (91-95)- they didn't have H23. They had F22B. H23 in form we know in Si trim didn't exist in Japan.
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Old Aug 3, 2009 | 11:12 AM
  #6  
Kronn 98SH's Avatar
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Default Re: H Series Engines

Originally Posted by pentaq
JDM Prelude S (91-95)- they didn't have H23. They had F22B. H23 in form we know in Si trim didn't exist in Japan.
What's your source? I can't find anything concrete.

I have seen several H23A blacktops online that are for sale.
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Old Aug 3, 2009 | 01:25 PM
  #7  
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Default Re: H Series Engines

http://www.honda.co.jp/HOT/ModelData...109/si_sy.html

From the very source.
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Old Aug 3, 2009 | 02:00 PM
  #8  
Kronn 98SH's Avatar
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Default Re: H Series Engines

I've been using that site like crazy. I even made a thread a couple months ago with a link to it. The problem is, it doesn't mention the Prelude S, only the Prelude Si and Si VTEC.
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Old Aug 3, 2009 | 06:58 PM
  #9  
Kronn 98SH's Avatar
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Default Re: H Series Engines

I need data! Where are all the tech gods? McFred? Satan? Precision? Blake? Mgags?



Disclaimer: The names mentioned are in no particular order. The names mentioned are not the only knowledgeable people here. The names mentioned are those that I know, and that is all.
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Old Aug 5, 2009 | 06:11 AM
  #10  
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Default Re: H Series Engines

Sorry, I've forgotten a lot of my Prelude trivia. It looks like you have compiled more data than I've ever known.

F22B in the JDM Si has a M2J5 gearbox with a crappy 4.0D
the USDM Prelude S has a chassis code of BA8.

The T2W4 was out of one of the high end Accords as you noted. Scott (2point6) from collective racing should know about a lot of the Accord gearbox stuff.

The Accord Torneo/SiR wagon thing was an automatic no 5-speed.

After that I got what I needed and haven't needed to research anything since. Sorry I'm not much help. I've retained more of the practical information over the names and origins of things.
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Old Aug 5, 2009 | 09:19 AM
  #11  
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Default Re: H Series Engines

Well, I found this list on my computer...I'll post it up so people can see it, but I'll be glad to remove it if it has conflicting info.

BLOCK TYPE
H22A = closed deck
H22A1 = closed deck
H22A4 = open deck
H23A = open deck
H23A1 = closed deck
F20A = open deck
F20B = open deck
F22A = open deck
F22B = open deck
F22B1 = open deck
F22B2 = open deck
F23A = open deck

DECK HEIGHT
H22A = 219.5mm/8.643
H22A1 = 219.5mm/8.643
H22A4 = 219.5mm/8.643
H23A = 219.5mm/8.643
H23A1 = 219.5mm/8.643
F20A = 219.5mm/8.643
F20B = 219.5mm/8.643
F22A = 219.5mm/8.643
F22B = 219.5mm/8.643
F22B1 = 219.5mm/8.643
F22B2 = 219.5mm/8.643
F23A = 219.5mm/8.643

BORE
H22A block = 87mm/3.425
H22A1 block = 87mm/3.425
H22A4 Block = 87mm/3.425
H23A block = 87mm/3.425
H23A1 block = 87mm/3.425
F20A block = 85mm/3.346
F20B block = 85mm/3.346
F22A block = 85mm/3.346
F22B block = 85mm/3.346
F22B1 block = 85mm/3.346
F22B2 block = 85mm/3.346
F23A block = 86mm/3.385

Rods

LENGTH
H22A = 143.0mm/5.633
H22A1 = 143.0mm/5.633
H22A4 = 143.0mm/5.633
H23A = 141.5mm/5.572
H23A1 = 141.5mm/5.572
F20A = 145.0mm/5.709
F20B = 145.0mm/5.709
F22A = 141.5mm/5.572
F22B = 141.5mm/5.572
F22B1 = 141.5mm/5.572
F22B2 = 141.5mm/5.572
F23A = 141.0mm/5.551

WIDTH
H22A = 23.75mm/.935
H22A1 = 23.75mm/.935
H22A4 = 23.75mm/.935
H23A = 23.75mm/.935
H23A1 = 23.75mm/.935
F20A = 23.75mm/.935
F20B = 23.75mm/.935
F22A = 23.75mm/.935
F22B = 23.75mm/.935
F22B1 = 23.75mm/.935
F22B2 = 23.75mm/.935
F23A = 19.81mm/.780

MAIN BORE
H22A = 51.00mm/2.008
H22A1 = 51.00mm/2.008
H22A4 = 51.00mm/2.008
H23A = 51.00mm/2.008
H23A1 = 51.00mm/2.008
F20A = ???
F20B = 48.00mm/1.890
F22A = 51.00mm/2.008
F22B = 51.00mm/2.008
F22B1 = 51.00mm/2.008
F22B2 = 51.00mm/2.008
F23A = 48.00mm/1.890

PIN BORE
H22A = 21.97-21.98mm/.8649-.8654
H22A1 = 21.97-21.98mm/.8649-.8654
H22A4 = 21.97-21.98mm/.8649-.8654
H23A = 21.97-21.98mm/.8649-.8654
H23A1 = 21.97-21.98mm/.8649-.8654
F20A = 21.97-21.98mm/.8649-.8654
F20B = 21.97-21.98mm/.8649-.8654
F22A = 21.97-21.98mm/.8649-.8654
F22B = 21.97-21.98mm/.8649-.8654
F22B1 = 21.97-21.98mm/.8649-.8654
F22B2 = 21.97-21.98mm/.8649-.8654
F23A = 21.97-21.98mm/.8649-.8654

Pistons

BORE
H22A = 87mm/3.425
H22A1 = 87mm/3.425
H22A4 = 87mm/3.425
H23A = 87mm/3.425
H23A1 = 87mm/3.425
F20A = 85mm/3.346
F20B = 85mm/3.346
F22A = 85mm/3.346
F22B = 85mm/3.346
F22B1 = 85mm/3.346
F22B2 = 85mm/3.346
F23A = 86mm/3.385

COMPRESSION HEIGHT
H22A = 31.0mm/1.221
H22A1 = 31.0mm/1.221
H22A4 = 31.0mm/1.221
H23A = 30.5mm/1.203
H23A1 = 30.5mm/1.203
F20A = ???
F20B = 31.0mm/1.221
F22A = 30.5mm/1.203
F22B = 30.5mm/1.203
F22B1 = 30.5mm/1.203
F22B2 = 30.5mm/1.203
F23A = 30.0mm/1.181

PISTON VOLUME
H22A = -1.9 cc
H22A Type S = +4.2 cc
H22A1 = -1.8 cc
H22A4 = -1.8 cc
H23A = +4.3 cc
H23A1 = -9.9 cc
F20A = -4.7 cc
F20B = +8.0 cc
F22A = -14.5 cc
F22B = -11.2 cc
F22B1 = -14.5 cc
F22B2 = -14.5 cc
F23A = -18.0 cc

WRIST PIN DIAMETER
H22A = 22.0mm/.866
H22A1 = 22.0mm/.866
H22A4 = 22.0mm/.866
H23A = 22.0mm/.866
H23A1 = 22.0mm/.866
F20A = 22.0mm/.866
F20B = 22.0mm/.866
F22A = 22.0mm/.866
F22B = 22.0mm/.866
F22B1 = 22.0mm/.866
F22B2 = 22.0mm/.866
F23A = 22.0mm/.866

Crankshafts

STROKE
H22A = 90.7mm/3.570
H22A1 = 90.7mm/3.570
H22A4 = 90.7mm/3.570
H23A = 95mm/3.740
H23A1 = 95mm/3.740
F20A = 88mm/3.464
F20B = 88mm/3.464
F22A = 95mm/3.740
F22B = 95mm/3.740
F22B1 = 95mm/3.740
F22B2 = 95mm/3.740
F23A = 97mm/3.818

MAIN JOURNAL DIAMETER
H22A = 50mm
H22A1 = 50mm
H22A4 = 55mm
H22A4 = 50mm (1997 Only)
H23A = 55mm
H23A1 = 50mm
F20A = 50mm
F20B = 55mm
F22A = 50mm
F22B = 50mm
F22B1 = 50mm
F22B2 = 50mm
F23A = 55mm

ROD JOURNAL DIAMETER
H22A = 47.95mm/1.888
H22A1 = 47.95mm/1.888
H22A4 = 47.95mm/1.888
H23A = 47.95mm/1.888
H23A1 = 47.95mm/1.888
F20A = 47.95mm/1.888
F20B = 44.98mm/1.771
F22A = 47.95mm/1.888
F22B = 47.95mm/1.888
F22B1 = 47.95mm/1.888
F22B2 = 47.95mm/1.888
F23A = 44.98mm/1.771

Cylinder Heads

HEAD VOLUME
H22A = 53.8cc
H22A1 = 53.8cc
H22A4 = 53.8cc
H23A = 53.8cc
H23A1 = 50.0cc
F20A = 50cc
F20B = ???
F22A = 50.5cc
F22B = 50.5
F22B1 = 50.6cc
F22B2 = 50.6cc
F23A = ???

INTAKE VALVE DIAMETER
H22A = 35mm/1.38
H22A1 = 35mm/1.38
H22A4 = 35mm/1.38
H23A = 35mm/1.38
H23A1 = 34mm/1.34
F20A = 34mm/1.34
F20B = 34mm/1.34
F22A = 34mm/1.34
F22B = 34mm/1.34
F22B1 = 34mm/1.34
F22B2 = 34mm/1.34
F23A = 34mm/1.34

EXHAUST VALVE DIAMETER
H22A = 30mm/1.18
H22A1 = 30mm/1.18
H22A4 = 30mm/1.18
H23A = 30mm/1.18
H23A1 = 29mm/1.14
F20A = 29mm/1.14
F20B = 29mm/1.14
F22A = 29mm/1.14
F22B = 29mm/1.14
F22B1 = 29mm/1.14
F22B2 = 29mm/1.14
F23A = 29mm/1.14

Head Gaskets

BORE
H22A = 88mm/3.46
H22A1 = 88mm/3.46
H22A4 = 88mm/3.46
H23A = 88mm/3.46
H23A1 = 88mm/3.46
F20A = 85.5mm/3.37
F20B = 85.5mm/3.37
F22A = 85.5mm/3.37
F22B = 85.5mm/3.37
F22B1 = 85.5mm/3.37
F22B2 = 85.5mm/3.37
F23A = 86.5mm/3.41

THICKNESS
H22A = 0.66mm/.026
H22A1 = 0.66mm/.026
H22A4 = 0.66mm/.026
H23A = 0.66mm/.026
H23A1 = 0.66mm/.026
F20A = 0.66mm/.026
F20B = 0.66mm/.026
F22A = 0.66mm/.026
F22B = 0.66mm/.026
F22B1 = 0.66mm/.026
F22B2 = 0.66mm/.026
F23A = 0.66mm/.026

Note:
Gasket thickness measured after crush

Bearings

MAIN BEARING THICKNESS
Blue: 2.013 - 2.010mm / 0.0793 - 0.0791
Black: 2.010 - 2.007mm / 0.0791 - 0.0790
Brown: 2.007 - 2.004mm / 0.0790 - 0.0789
Green: 2.004 - 2.001mm / 0.0789 - 0.0788
Yellow: 2.001 - 1.998mm / 0.0788 - 0.0787
Pink: 1.998 - 1.995mm / 0.0787 - 0.0785
Red: 1.995 - 1.992mm / 0.0785 - 0.0783

ROD BEARING THICKNESS
Blue: 1.510 - 1.507mm / 0.0594 - 0.0593
Black: 1.507 - 1.504mm / 0.0593 - 0.0592
Brown: 1.504 - 1.501mm / 0.0592 - 0.0591
Green: 1.501 - 1.498mm / 0.0591 - 0.0590
Yellow: 1.498 - 1.495mm / 0.0590 - 0.0589
Pink: 1.495 - 1.492mm / 0.0589 - 0.0587
Red: 1.492 - 1.489mm / 0.0587 - 0.0586

MAIN BEARING WIDTH
H22A = 19.9mm/.784
H22A1 = 19.9mm/.784
H22A4 = 19.9mm/.784
H23A = 19.9mm/.784
H23A1 = 19.9mm/.784
F20B = 19.9mm/.784
F22A = 19.9mm/.784
F22B = 19.9mm/.784
F22B1= 19.9mm/.784
F22B2= 19.9mm/.784
F23A = 19.9mm/.784

ROD BEARING WIDTH
H22A = 19.35mm/.762
H22A1 = 19.35mm/.762
H22A = 19.35mm/.762
H23A = 19.35mm/.762
H23A1 = 19.35mm/.762
F20A = 19.35mm/.762
F20B = 19.35mm/.762
F22A = 19.35mm/.762
F22B = 19.35mm/.762
F22B1 = 19.35mm/.762
F22B2 = 19.35mm/.762
F23A = 15.47mm/.609
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Old Dec 7, 2010 | 07:08 PM
  #12  
X01Michael's Avatar
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From: Puyallup
Default Re: H Series Engines

Originally Posted by Kronn 98SH
I've been using that site like crazy. I even made a thread a couple months ago with a link to it. The problem is, it doesn't mention the Prelude S, only the Prelude Si and Si VTEC.
i have a JDM f22 in my 1994 prelude s. its the stock motor.
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Old Dec 7, 2010 | 07:11 PM
  #13  
Kronn 98SH's Avatar
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Default Re: H Series Engines

^ WTF are you talking about?

Are you in the US? If so, your car did NOT come with a JDM engine.
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Old Dec 7, 2010 | 07:32 PM
  #14  
X01Michael's Avatar
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From: Puyallup
Default Re: H Series Engines

Originally Posted by Kronn 98SH
^ WTF are you talking about?

Are you in the US? If so, your car did NOT come with a JDM engine.
yes i am. and my VIN starts with J not 1... thats Japanese right? ahah.
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Old Dec 7, 2010 | 08:09 PM
  #15  
Kronn 98SH's Avatar
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From: Oklahoma City, OK, USA
Default Re: H Series Engines

Slap yourself. You have a USDM Prelude S with the F22A1.
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Old Dec 8, 2010 | 11:24 AM
  #16  
AyOhOndA's Avatar
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Default Re: H Series Engines

Originally Posted by Kronn 98SH
Slap yourself. You have a USDM Prelude S with the F22A1.
LOL
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