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Old 06-13-2014, 12:01 AM   #1
zeedood
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Talking HDM H22 motor

Looking at an HDM H22, OBD1 motor...
Says it only has 187HP..
Just got my 1993 Prelude, not wanting to make any mistakes when purchasing a motor to replace the H23.
I thought the H22 had 200HP...
Also, will I need to purchase an entirely different harness?
I believe I will, but again, not wanting to make mistakes..
If I don't have to get it, I don't want to waste money getting something I don't need.
Educate me, please..
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Old 06-13-2014, 12:08 AM   #2
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Quote:
Originally Posted by zeedood View Post
Looking at an HDM H22, OBD1 motor...
Says it only has 187HP..
Just got my 1993 Prelude, not wanting to make any mistakes when purchasing a motor to replace the H23.
I thought the H22 had 200HP...
Also, will I need to purchase an entirely different harness?
I believe I will, but again, not wanting to make mistakes..
If I don't have to get it, I don't want to waste money getting something I don't need.
Educate me, please..
The H22A1 engines make 187bhp (Which is the engine you're looking at). The H22A4 engines make 197bhp.
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Old 06-13-2014, 12:09 AM   #3
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Here's the link to the motor...

http://www.jdmenginedepot.com/jdm_en...&_ECU_JDM_H22A
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Old 06-13-2014, 12:11 AM   #4
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Aha! :)

Quote:
Originally Posted by bloodSHed View Post
The H22A1 engines make 187bhp (Which is the engine you're looking at). The H22A4 engines make 197bhp.
OK, learned something already..
Well, still better than the H23 from everything I've read...
Of course, with the stock motor having 207k miles on it (although still running very strong), replacing it with the H22A1 would be a remarkable improvement I'll wager..
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Old 06-13-2014, 12:12 AM   #5
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OK, the other question..

Quote:
Originally Posted by bloodSHed View Post
The H22A1 engines make 187bhp (Which is the engine you're looking at). The H22A4 engines make 197bhp.
I'll need to get the different harness for the H22 because the H23 harness on the car is not compatible, correct?
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Old 06-13-2014, 12:15 AM   #6
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They list it as an H22A, but the only H22 that makes 187bhp is the H22A1 which isn't JDM.

Are you looking at getting a new tranny as well? If the one you have is fine, you can pick up an H23A VTEC or an H22A 92-95 spec for around a grand before freight and handling.

Quote:
Originally Posted by zeedood View Post
I'll need to get the different harness for the H22 because the H23 harness on the car is not compatible, correct?
I'm not sure, I don't know much about 4th gens.
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Old 06-13-2014, 12:18 AM   #7
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Need the tranny as well..

Quote:
Originally Posted by bloodSHed View Post
They list it as an H22A, but the only H22 that makes 187bhp is the H22A1 which isn't JDM.

Are you looking at getting a new tranny as well? If the one you have is fine, you can pick up an H23A VTEC or an H22A 92-95 spec for around a grand before freight and handling.

I'm not sure, I don't know much about 4th gens.
Am getting the tranny as well... 2nd gear synchro is toast, and 5th is going out...
Plan on driving this for years, want to get it done right from the get-go.
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Old 06-13-2014, 08:17 AM   #8
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i got one for sale
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Old 06-15-2014, 09:46 PM   #9
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I'm pretty sure they are compatible... they are the same motor.... just different internals.
you might have to run some O2 wires but i doubt it.
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Old 06-15-2014, 09:48 PM   #10
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stick with the h23 better gearing for racing
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Old 06-15-2014, 10:15 PM   #11
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I'd recommend hmotorsonline.
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391HP @ 12psi - Soon to be 650HP
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Old 06-16-2014, 04:46 PM   #12
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are you sure the OBD-1 JDM engine is only 187 bhp?

cus Mine is pretty much stock with MSD ignition and short ram with a tune. and it has 180whp (~210-215 bhp) dont think those 2 mods really adds 20 horse... i thought they were all 197bhp except the type-S
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Old 06-16-2014, 04:54 PM   #13
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The odler generatiosn of h22 make significantly less paower than teh new ones. The pre 1997 engien are rated much less than the post. I beleive the 97 up ar 195 hp and the 96 and under are only 180 or 185. The better engines to use are the 98 and up ones as they haev the thicker mains, the open deck for better cooling.
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Old 02-03-2016, 03:52 PM   #14
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I am so happy I found an awesome H22A Type S engine for just $1350 from Engine World Inc in Houston. Their website is http://www.usedjapanmotors.com/ & also http://www.bestjapaneseengines.com/
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Old 04-26-2016, 11:11 AM   #15
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H23A vtec from Japan is pretty close to H22A4
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