Honda Prelude All Model Preludes

Prelude/H-series Transmission Codes and Ratios master-list

 
Old 04-14-2009, 03:44 PM
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Default Prelude/H-series Transmission Codes and Ratios master-list

Another chart brought to you by Kronn.


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Keywords: H2A5, H2C4, H2S8, H2U4, H2U5, M2A4, M2A5, M2B4, M2C4, M2F4, M2F5, M2J4, M2J5, M2K4, M2L5, M2P4, M2R4, M2S4, M2T4, M2U4, M2V5, M2X4, M2X5, M2Y4, M2Z4, N2C4, N2D4, N2E5, N2S4, P2A4, P2A5, P2A8, P2C4, P2U5, S2A4, S2A8, T2C5, T2T4, T2W4, U2G5, U2J4, U2L4, U2N4, U2Q7

Last edited by Kronn 98SH; 01-08-2011 at 06:05 PM. Reason: Updated Again
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Old 04-15-2009, 11:16 AM
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Default Re: Prelude Tranny Codes & Gear Ratios

FAQ worthy?
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Old 04-22-2009, 10:19 AM
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Default Re: Prelude Tranny Codes & Gear Ratios

If anyone sees anything that they know for sure to be wrong, would you please let me know so I can correct it? OR, if you have any information to fill in the gaps, please let me know.
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Old 05-01-2009, 06:53 PM
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Default Re: Prelude Tranny Codes & Gear Ratios

Bumping so that everyone is aware that this thread has been added to the faq's. Thanks for the great work Kronn.
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Old 06-17-2009, 02:00 PM
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Default Re: Prelude/H-series Transmission Codes and Ratios master-list

what if the sticker is gone how can i tell what transmission it is???please help
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Old 06-17-2009, 05:13 PM
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Default Re: Prelude/H-series Transmission Codes and Ratios master-list

PPG dog box ratios (H- series)
3.0
1.917
1.333
1.045
FD. 4.2 or 4.4
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Old 06-17-2009, 07:39 PM
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Default Re: Prelude/H-series Transmission Codes and Ratios master-list

still looking for info on tranny code "H2J4" Jdm Accord or Prelude? This is a ghost trans..
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Old 06-17-2009, 09:38 PM
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Default Re: Prelude/H-series Transmission Codes and Ratios master-list

Starting with an H, that automatically means it's not a Prelude tranny. Obviously, Preludes start with M.

Where did you hear of this H2J4?

EDIT: After a bit of research, I've found that the H2 prefix was used in 90-93 Accords.

Last edited by Kronn 98SH; 06-17-2009 at 11:18 PM.
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Old 06-17-2009, 09:43 PM
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Default Re: Prelude/H-series Transmission Codes and Ratios master-list

It's probably an Accord F20/F22 transmission, but we're not dealing with those here [if they're not used with an H22].

If the trans is out of the car, use this to determine the ratios.

How to: determine tranny gear ratios without counting teeth by PirateMcFred
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Old 06-17-2009, 11:37 PM
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Default Re: Prelude/H-series Transmission Codes and Ratios master-list

well it was sent with my JDM H22 swap, I've gotta tell ya, i'm rather disapointed.

So we're going with F22B SOHC trans?
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Old 06-17-2009, 11:53 PM
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Default Re: Prelude/H-series Transmission Codes and Ratios master-list

No idea. Find out the ratios and see how bad the situation is.
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Old 06-18-2009, 09:42 AM
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Default Re: Prelude/H-series Transmission Codes and Ratios master-list

now we just need a list of hybrid ratios people have tried by swapping gears 1-5 around and reactions of how the outcome was...
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Old 06-18-2009, 09:54 AM
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Default Re: Prelude/H-series Transmission Codes and Ratios master-list

Very good! Also, I do believe M2F4 = '93 (not '92). Easy mistake.

Edit: Okay another thing...Some of those Prelude models debuted in '91 in Japan so some of those trans codes have the wrong time span by a year. I'll look into it when I'm off work.

Last edited by Televator; 06-18-2009 at 10:07 AM.
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Old 06-18-2009, 10:07 AM
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Default Re: Prelude/H-series Transmission Codes and Ratios master-list

how can i tell with out the sticker being on
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Old 06-18-2009, 10:24 AM
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Default Re: Prelude/H-series Transmission Codes and Ratios master-list

Well, I'v actually got a buddy with F22 Trans & H22, and mine definitely has shorter gears. Same thing with anyother buddy with H23 Trans & H22. Shorter Gears. So Apparanently It's not that bad, But I'm still curious as to what it is.
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Old 06-18-2009, 10:27 AM
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Default Re: Prelude/H-series Transmission Codes and Ratios master-list

do you know if the numbers stmped above the axle are different on the h22 and h23
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Old 06-20-2009, 02:27 AM
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Default Re: Prelude/H-series Transmission Codes and Ratios master-list

not one person on honda-tech knows what is stamped on a h22 transmission above the axle in the webbing??? some one with a h22 prelude please look for me
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Old 08-27-2009, 06:54 AM
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Default Re: Prelude/H-series Transmission Codes and Ratios master-list

Updated with the JDM 5G Prelude Xi/Si tranny code "M2A5". Information courtesy of Howlinator on PP.com. Apparently he's either the only guy online that owns an Xi or the only one with enough courage to admit it.
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Old 09-08-2009, 03:17 PM
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Default Re: Prelude/H-series Transmission Codes and Ratios master-list

i was wondering if mixing and matchin can be done w/ these tranny's. I'll be picking a beater f22a while i save up for a better motor. there is a m2b4 and a t2t4 fs and im unsure which will give me complications if any. BTW where can i read more about gear ratios?
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Old 09-08-2009, 09:24 PM
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Default Re: Prelude/H-series Transmission Codes and Ratios master-list

All transmissions listed are 100% plug-n-play with the exception of the ATTS transmissions. What more do you want to know about gear ratios?
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Old 09-09-2009, 08:12 AM
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Default Re: Prelude/H-series Transmission Codes and Ratios master-list

i guess it's fundamental knowledge.

I was curious why gear ratios vary but are very similar when compared to the transmissions and what the ratios actually mean?
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Old 09-09-2009, 10:29 AM
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Default Re: Prelude/H-series Transmission Codes and Ratios master-list

wikipedia
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Old 11-11-2009, 07:40 AM
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Default Re: Prelude/H-series Transmission Codes and Ratios master-list

Originally Posted by MikeLuder View Post
still looking for info on tranny code "H2J4" Jdm Accord or Prelude? This is a ghost trans..

i have a ghost trans too..... i need help we just got the swap from jdmtigerjap either way it says "MPOA 4013661"... then asome other random sticker said "VPON 15"

i know its automatic but i want to know what its from....
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Old 11-11-2009, 08:01 AM
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Default Re: Prelude/H-series Transmission Codes and Ratios master-list

Originally Posted by kandyflippa247 View Post
i have a ghost trans too..... i need help we just got the swap from jdmtigerjap either way it says "MPOA 4013661"... then asome other random sticker said "VPON 15"

i know its automatic but i want to know what its from....
No manual....no matter....no care.
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Old 11-11-2009, 08:28 AM
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Default Re: Prelude/H-series Transmission Codes and Ratios master-list

Does anyone import the M2P4 or M2R4 trans, or know where I could order those EDM parts? I'm not so much interested in the entire trans as I am the mainshaft and 1st & 2nd countershaft gears.
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