H23 also has a longer stroke. That's why if you can pull off the H23/H22 Frankenstein Motor then you basically have a H22 with a stroker kit. For auto-x from what I have seen the H23 with the Gude head package in my opinion is the best possible motor for auto-x. It is heavier I do understand that however with all it's low end torque you don't have to be so active on the gears in order to keep your engine in it's power band and with the head package and a new set of pistons you are untouchable. Also since H23s are so much cheaper than 22's you could get the head package, pistons and the engine for the same price as just the H22A alone. However if you are going drag then you probably want to spend a little extra for the H22A or the Fankenstein. JMO
Peace
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93' Prelude Si (auto-x) (SOLD)
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H23 also has a longer stroke. That's why if you can pull off the H23/H22 Frankenstein Motor then you basically have a H22 with a stroker kit. For auto-x from what I have seen the H23 with the Gude head package in my opinion is the best possible motor for auto-x. It is heavier I do understand that however with all it's low end torque you don't have to be so active on the gears in order to keep your engine in it's power band and with the head package and a new set of pistons you are untouchable. Also since H23s are so much cheaper than 22's you could get the head package, pistons and the engine for the same price as just the H22A alone. However if you are going drag then you probably want to spend a little extra for the H22A or the Fankenstein. JMO
Peace
lol as much as i agree with you i hope ultimateAL doesnt see this he will talk about how h22's in civics isnt safe balance of weight and post that picture of some scribbling #'s on paper that he did
Hmm. That's weird. Maybe the previous owner had a motor swap in it. I do know that the Accord Euro Type R had an H22A7 in it though.
Yeah the easy way to find out of you have an H23 would be to look at the valve cover. If you have two lobes for cams you have either an H22 or H23 but if you have a single raised valve cover then you have an F22. And I highly doubt you have a H series motor in your car.
Peace
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93' Prelude Si (auto-x) (SOLD)
03' Ducati 800SS (FAST AS HELL)
lol as much as i agree with you i hope ultimateAL doesnt see this he will talk about how h22's in civics isnt safe balance of weight and post that picture of some scribbling #'s on paper that he did
if you had any knowlege of basic physics, then that "scribbling" would make sense
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teufelhund: it's a well grounded opinion to say that these make good auto x platforms im not going to argue about the potential of the motor. I have to agree, with one or two exceptions. <Namely a K series is my new favorite> And there are some valid concerns with the engine swaped into another chasis, ie ultra's arguement with them in civics which he has produced some evidence of. Ive seen some huge power come out of a h22/23 frank motor so I have to agree.
FsuFan: nobody really brought up what chasis, I think the originol idea was just an engine to engine comparison. <which id say go for the gutsy move and build an h23 without puttting the 22 head on it!> But back on point can you argue with what Ultra said? Im not actually atacking you on this just wanting to hear if you have anything to counter him with. However I also dont want to jack this guys thread either.
My reason for saying build an H23, simple I love a somewhat rough idle.. reminds me of the good old days, put some agressive cams in help it breath give it something to burn and tear somebody a new ass with it. Well nice thread keep it up guys.
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the H23/vtec engine is out of an Accord in Japan.
the H22a7 and h22a8 moters are the type-s and si-r engines. both out of preludes and accords from europe and japan....except the Euro-R engine.
H23 motors are from Prelude all models from 92-96 except the Si model. which also has an H22a1 usdm motor.
h22a4 engine is usdm 97-01 prelude.
your accord might have an h series since they are complete interchangable with F-series.
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NO NO NO... blacktraxgirl... no the H23 came in the Si model not sure on the years but it came in the SI..
H23= Prelude Si model
H22a1= 1992-96 Vtec models
F22a= S model prelude 92-96
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Quote:
Originally Posted by sorrow
My reason for saying build an H23, simple I love a somewhat rough idle.. reminds me of the good old days, put some agressive cams in help it breath give it something to burn and tear somebody a new ass with it. Well nice thread keep it up guys.
Isn't this the all motor forum? And u have people suggesting an H23 over a H22? You can't be serious. You must not know anything about vtec or the sorts of times these two different engines put out.
A crappy idle isn't cool, vtec helps your engine breath and gives your engine something to burn and tear somebody a new ass with. U ever wonder why my prelude eats mustang gts with engines twice the size of mine? Because they think crappy idles are cool too, and it reminds them of the old days. An H23 wouldn't stand a chance without boost or vtec.
I'm not explaining that any further. Its just bad advice. The H23 Vtec is an option.
The difference between a H22A and H23(non-vtec) is compression, stroke, bore and technological advancements. The H23 has a larger displacement, and lower compression ultimately giving it less power than the H22. However it is easier to add boost to based on its lower compression and lack of valve timing.
search the prelude forum for more info.
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I am curious... I have an Accord and supposidly I have an H23a does that sound right to anyone???? 
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