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Old 01-13-2004, 02:31 PM   #26
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all of the trannies made for our US cars are basically the same....but the STI trannies do have better "stronger" gears.
My EJ18 tranny is still holding up fine....knock on wood.
Take it easy, Micah
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Old 01-13-2004, 11:54 PM   #27
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the 5speeds are esentially the same, as stated, just different ratios. Last year my bud performed 2 swaps with version 7 JDM STI motors while retaining the stock RS trannies- one was a 98, and the other was a 2000. The 98 has pretty beat synchros, but the 2000 drove great with the RS tranny and ACT clutch.

the STI 6 speed is a totally different tranny. Much MUCH stronger and about twice the mass of a normal TY75 5speed. They even fit into GC8s fairly easily with the help of STI motor mounts and a wee bit of effort, as is evidenced by another 99 RS up in Toronto with a version 3 STI motor and 6 speed mated to it.

As to which one.. I think USDM motors are just so much cheaper, and if you can get a USDM STI motor, those are really the ones to have... although you might either have to change the throttle body to accomodate a cable throttle or change your pedal box with the STI one to deal with the drive by wire.. Although, a good engine to use would also be a Forester turbo motor, if you can find those as well..
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Old 01-15-2004, 03:11 AM   #28
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To have it reliable and with no necessary tuning, I would suggest a full 02+ USDM WRX swap. Motor, transmission, harness and ecu. Parts, diagrams and installers are everywhere. Easily upgraded for more power. Finding a STI swap would be hard and would probably cost alot more. Not worth it in my opinion, unless money was not a problem. I personally would do the JDM GC8 WRX swap in my own GC8 rather than any USDM swap. I can usually do the JDM conversions in GC8's in 1 week with all components 100% functionall and the stock power blows my mind. After doing several JDM EJ20 Swaps in GC8 bodies, I would personally never buy a 02+ WRX, STI, or even just a USDM swap unless the price was very very low. As a installer and owner myself, that is just my 2 cents. Besides which swap you would do, finding a shop who knows what they are doing and talking about is usually another quest on its own.
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Old 01-15-2004, 06:22 PM   #29
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I would suggest something similar to what ryceracerx said...but i would say to buy an older GC chassis being they are cheaper and pre OBD-II. Then buy a full front clip to make the wiring much easier...buy a clip that is from the same GC "era" as yours....93-96 or 97-01. the clip should be 92-95 or 96-00.
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Old 01-15-2004, 08:50 PM   #30
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Homemade - are saying that I should buy ANOTHER CAR, and then buy a CLIP to swap into that car??? Seems kind of pointless, if that's what you're telling me to do.



Thanks for the comments everyone. I'm now shopping for either an STi or WRX motor and plan on doing a complete swap. If I don't like it for some reason, I'll still have the 2.5 stocker to throw back in!
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Old 01-15-2004, 09:41 PM   #31
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Quote:
Originally posted by Subasaurus Rex
Homemade - are saying that I should buy ANOTHER CAR, and then buy a CLIP to swap into that car??? Seems kind of pointless, if that's what you're telling me to do.

I think he's saying that if you were to get a front clip, get a JDM 96-00 front clip...
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Old 01-16-2004, 12:25 AM   #32
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I'm saying buy a clip that is the same "era" GC as yours...the years I listed above are where the GC's varied.
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Old 01-16-2004, 01:21 AM   #33
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Yeah basically getting a full front clip from the same era GC8 would definitly be a plus. If you do that, it would also pretty much come with every little piece you would need for the swap, especially the crossmember, radiator, nice aluminum control arms and a whole lotta parts which fits nicely into another GC8 Chassis.
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Old 01-16-2004, 10:23 AM   #34
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I kinda figured that you meant to get a similar year clip, but the way it was worded ("...i would say to buy an older GC chassis being they are cheaper and pre OBD-II. Then buy a full front clip to make the wiring much easier") made me wonder.

One more question - if I go the JDM route, are the ECU's as easily tuned as the US ones? Sorry if that's a dumb question...

Thanks again.
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Old 01-16-2004, 11:07 AM   #35
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I just don't see why you would wnat to rip apart a nice 01 RS...just me though.
It'll be a sweet car...sell the engine to one of the several looking for an EJ25. JDM clips can be had relatively easily. You can get chips and piggybacks for them but you generally have to order them from overseas or such dealer.
I have asked a guy I know about where to buy them...waiting for his response, I'll let you know.
Take it easy, Micah
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Old 01-16-2004, 11:40 AM   #36
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Easily tuned? Yes. Easily tuned by somebody in the US? No.

Modifications will be aplenty, just not readily available here Stateside.

-Jon
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Old 01-16-2004, 01:46 PM   #37
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go here for a possible clip
www.gr8wheels.com
take it easy, Micah
They are in AZ
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Old 01-16-2004, 02:06 PM   #38
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Yeah, I contacted them a while back to give me a price on a '99 ver6 they have coming, but no word on it yet.

I don't plan on 'ripping apart' my car, just swapping engines. If I really wanted to mess it up, I'd be putting a turbo on the existing motor. I'd rather have the stocker sitting in the corner of the garage in case I need it. The car is my daily driver (although I have other vehicles), so I really don't want a ton of down time if something goes boom.
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Old 01-16-2004, 02:42 PM   #39
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yeah...reason to get the same year(s) engine and harness...it should all plug up (for the most part)
-Micah
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Old 01-16-2004, 11:13 PM   #40
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Ecutek dealers can retune JDM ecu's if they have the neccessary hardware and software. Most don't have this stuff, but it is possible.

IMO, after doing these swaps it has become apparant that most engines pulled from a wrecked car have minor broken bits. If it's a JDM engine, those bits may not be readily available here in the states. Most of the time, it's a two week wait for anything JDM.

With that said, the STi makes more power out of the box but the US aftermarket certainly isn't lacking in EJ205 parts. IMO, it's easier to use the USDM engines for a swap (EJ205 or EJ257) financially, logistically, and repair-wise down the road.
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Old 01-17-2004, 04:09 AM   #41
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Just to jump in! It is not hard to get JDM parts. It is a lot easier then people think. Australia for example has all the parts and for a nice discount at the exchange rate. Also I do have complete JDM swap electrical and mechanical. The whole thing (not just motor)! (JDM ECU THE BEST). AHAH I am not knocking US anything. I love US engines. I have been in many JDM and many US engine cars. It is all preference! You just have to know the right people or have the right connects to get things done. Well I don't post much in this board anymore I am sorry! I am just to busy working and working on the secret car project (AWJunkies unite)! AHAH! Please guys if you need pointers advice or anything about JDM or US please speak to people who have done the swaps. Please call I-speed and talk with them. Talk with me, talk with homemade, and the many of us who ahve done thsi swap. Look up my old post "about what engine swaps have poeple done" and try matching up with poeple who ahve done same swap that is Y I made that post. Some one bring it back to life to help people! Well off to sleep now! KP!
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Old 01-17-2004, 04:11 AM   #42
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Homemade I have contacts ALREADY! Nobody asks me. Jesus guys I have poeple in England and australia and japan who can get parts and find out info for you on anything related to JDM. I also have manuels and wiring diagrams and so much more. Well peace!
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Old 01-17-2004, 05:39 PM   #43
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yeah AWJunkies finally chimed in on the whole JDM thing...
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Old 01-17-2004, 05:54 PM   #44
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ahaha sorry been busy with new job! New hours now 9-5 so have time to work on car and so on. Again if anyone needs advice please don;t hesitate to get ahold of me. I am on AIM MSN E-mail and my site and here PM.
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Old 01-19-2004, 03:23 PM   #45
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I just ordered alot of Takeoff parts from that Version 6 that Gr8wheels had and i asked them what the full engine, tranny, axles etc would cost and they said the last swap they sold was $8000 for a Version 5 RA setup...he said the Version6 will be more cuz it is so new.

Ultimately i plan to have a full Version 6 RA setup and possibly a Version 7 engine inplace of the Version 6 cuz of the AVCS but i still want to have the 5speed JDM tranny

Look at www.spdusa.com and see what Mike Shields has to say about WRX Engines and building them up...thats what ultimately made me decide not to go w/ a USDM engine and to just go for JDM right away cuz of its stronger engine w/ forged pistons and the whole 9yards


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Old 01-19-2004, 07:18 PM   #46
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I've read everything on spdusa.com (great info there). I recommend that everyone read the technical stuff on his site.

For the price difference - $8000 JDM compared to $3000 USDM - I'll go with the US motor. I guess it all depends on what you want to spend.

On a side note, now I'm wondering if I should even bother doing this. I'm almost tempted to sell my car and get a new Legacy GT when they hit the stores. Might go to the Chicago auto show and check out the new stuff....
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Old 01-19-2004, 07:31 PM   #47
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I just put my USDM WRX engine into my RS and the car us sweet. The reason that I went this route is that it is alot less expensive and there are tons of goodies to add to it that are available locally and most importantly if I run into any issues I can call the dealer and have the replacement parts that afternoon. If you are like me and you really like the way the RS looks and have no intention of selling it ever I think doing a swap is the way to go.

Z
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Old 01-20-2004, 01:32 AM   #48
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Post bang for ya buck

you want more reliablity...you want low end torque...do the ej22t swap. ej22t blocks bolt directly onto ej25 heads, requiring NO major wiring. besides being an easier install, the ej22t is a fully closed deck block with fully forged internals(minus the pistons which are specialy ceramic heat treated). This is the same motor used in the infamous 22B. It has been proven to withstand boost levels of more then 25 PSI RELIABLY , all day long!! check it out
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Old 01-20-2004, 11:25 AM   #49
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Quote:
Originally posted by IllNastyImpreza
you want more reliablity...you want low end torque...do the ej22t swap. ej22t blocks bolt directly onto ej25 heads, requiring NO major wiring. besides being an easier install, the ej22t is a fully closed deck block with fully forged internals(minus the pistons which are specialy ceramic heat treated). This is the same motor used in the infamous 22B. It has been proven to withstand boost levels of more then 25 PSI RELIABLY , all day long!! check it out
I don't think it's the same motor as the 22B.
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Old 01-20-2004, 05:30 PM   #50
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it's not...just read in a magazine about how the 22B's block was a handmade and custom bored engine. the EJ22G hadn't been made for some years...
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