I been told a h22a4 is a non sh type. Will a h22a4 fit in a 4th gen? I got a 92 lude si, with a h23 right now. I want to do a motor swap,i found a good deal on a h22a4 online? so i wanted to know if I can swap it in my 4th gen. I want to rebuild it with aftermarket rods, pistons, etc. Should I go head and buy the h22a4 and buy everything else sperately, like the ecu, wiring harness, etc. ? what you guys think? or should i get evertything once from a place like hmotors or something. thanks in advance!
well you need to realize that the a4 is a obd2 motor. its just easier to swap in a jdm h22a or usdm h22a1 into your car so you won't have to worry about the differences between the two motors
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well you need to realize that the a4 is a obd2 motor. its just easier to swap in a jdm h22a or usdm h22a1 into your car so you won't have to worry about the differences between the two motors
Externally, there's no difference. The a4's have an open deck block, as opposed to the closed deck of the a1's. Performance-wise, it's a newer block, so take that as you may. Also, the later year a4's have 55mm mains.
It's a direct bolt in, using the same engine mounts. You only have to swap a few things: OBDI distributor (reuse your H23a1 dist), fuel injectors (should be included with the swap), OBDI P13 ecu (should come with the swap). Everything else is a direct fit.
small thing but you can set your base timing on your distr. (odb2 engines can't),
you have to convert back to odb1 for programmable ecu's
Quote:
Originally Posted by Prelude_RCR
Externally, there's no difference. The a4's have an open deck block, as opposed to the closed deck of the a1's. Performance-wise, it's a newer block, so take that as you may. Also, the later year a4's have 55mm mains.
It's a direct bolt in, using the same engine mounts. You only have to swap a few things: OBDI distributor (reuse your H23a1 dist), fuel injectors (should be included with the swap), OBDI P13 ecu (should come with the swap). Everything else is a direct fit.
well h22a's have higher compression, rated a tad bit higher w/compensating fuel maps. speed governer (sucks), yeah you are switching fuel injectors from saturated to peak hold. so basically you are converting back into obd1 which, if you just get a a1 / a this would negate all that. its just a smoother swap with less to worry about / mess up.
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"I am a ricer because I have Z3 fenders" Bless Her Heart ORG
^i guess yes... again its all up to how much you know.
by far the easiest swap is a a1/a. its actually kind of odd since i see more ppl wanting to install jdm engines than actual usdm 5th gen engines.
another thing i just thought of. you will need to run two o2 sensors if you don't convert back to obd1. also if you have emissions testing in your state, you might have to worry depending on rules.
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"I am a ricer because I have Z3 fenders" Bless Her Heart ORG
The a4 will perform the same as a a1 in a obd1 car. yo uwill just have to use the obd 1 wiring harness, and obd 1 distributor, and obd1 injectors with a p13. Only main difference will be open or closed deck block.
hey guys thanks for the input!!!! I really appreciate all the replys!!!! Ok, the deal, I was getting was $300 for h22a4 with ecu, that's without shipping. but i found out last night the motor has some problem with the oil light going on or something, the ownere said it might be a pump or bearings or someting, but after reading all the replies, i think i am going to stick to h22a1 or h22 jdm from hmotors. I am probally going to actually be buying the motor sometime end of august or in the beggining of september, so until then im going to keep my ears and eyes open for h22a1 or h22 jdm. Once again, guys I really appreicate all the input!!!
I thinking buying a motor you know ran well is the best option. If not then hmotors. I have never heard anything but good from them. Its where my swap came from..
they have lots of other jdm stuff. including a whole front clip off a bb1. had some crazy japanese stereo, spoon strut bar, etc.
but their prices are kinda high. the engines are the only things reasonable since i could quote Hmotors w/shipping.
but you've been thru the swap, its not that hard at all, making an obd2 engine back into obd1 isn't really hard at all, but i just think its one less thing to mess with since a good 60% of swappers have problems with something.
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"I am a ricer because I have Z3 fenders" Bless Her Heart ORG
I thinking buying a motor you know ran well is the best option. If not then hmotors. I have never heard anything but good from them. Its where my swap came from..
What about PasswordJDM? Would you guys recommend them as engine/transmission supplier? Are the JDM LSD trannys any good for boost?
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