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Old 03-30-2006, 01:07 PM   #1
uberspeed
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Default Baja Turbo Drivetrain in '02 WRX Finished

I have low compression in my '02 WRX w/144k on it because of a burnt valve. I probablly could have just pulled the motor and swapped the head and been on my way for another 60k miles but I decided if I am gonna go through all that work, I might as well upgrade too. So after alot of research on all the bulletin boards, I decided on a 2.5T swap. I ordered it today! All parts are from a wrecked '04 Baja-T with 19k miles.

Here are the specs on the build:
*2.5T from '04 Baja-T (same longblock as STi, LGT, FXT)
*Reuse WRX intake, accessories, sensors, and wiring.
*Accessport or UTEC with tuning (of course) I will not be controlling the AVCS now.
*Fuel system from Baja-T (same injectors as STi)
*Walbro Fuel Pump
*Used VF39 from STi
*ERZ up pipe and down pipe
*Baja-T trans and rear diff (same as FXT) 4.444 Final Drive!!!

My goal is a very conservative tune so that this can continue to be a daily driver. I would be very happy with STi-ish performance for many many miles.

Stay tuned...



+



= whee!
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Last edited by uberspeed; 06-30-2006 at 08:43 AM.
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Old 03-30-2006, 01:11 PM   #2
Rally_wgn
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Chapter/Region: MAIC
Location: Richmond,VA
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1996 OBS in Green
2.5 N/A w/ full exhaust

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Cool have fun with the swap!
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Old 03-30-2006, 02:10 PM   #3
gotsol
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White

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where are you that you still have snow?!!!

good luck, that looks like a fun project
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Old 03-30-2006, 05:50 PM   #4
PHATsuby
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2001 Legacy GT back
to stock is a project too

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awesome looking drivetrain, did you get that locally? Congrats, that will be a fun swap! Keep it updated with pics

Ben
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Old 03-30-2006, 06:13 PM   #5
Jaxx
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Chapter/Region: NWIC
Location: Boise,Idaho,USA
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The 93 W/EJ20K
Series 10 FRS

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soo where did you order it and how much ...
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Old 03-30-2006, 06:24 PM   #6
sjl1614
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there's no rear diff in the pics? Did you get that also, along with the newer style front axels?
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Old 03-30-2006, 08:44 PM   #7
uberspeed
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I am located in minneapolis and the snow picture was taken 2 weeks ago. There is zero snow on the ground now!

I ordered the drivetrain from Ohio. It includes all 4 axles, driveshaft, rear diff, pedal assembly, ECU, and shifter. I won't be using all those parts though.

I paid $4350 + $300 shipping. I hope to sell the trans, diff, and engine from my car to recoupe the costs.

I also hope to keep this thread going (w/ pics) until I am driving it! Goal is 4-5 weeks!
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Old 03-30-2006, 09:36 PM   #8
yebokmj
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I'd be interested in the powersteering resevior if it's available, good luck I just did an MY05 LGT swap and I'm still waiting on my ECU to run the whole thing.
Joshua
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Old 03-31-2006, 11:04 AM   #9
Jaxx
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Series 10 FRS

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thats not bad if its pretty complete

do you have a contact info for the company?
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Old 03-31-2006, 01:35 PM   #10
uberspeed
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Quote:
Originally Posted by yebokmj
I'd be interested in the powersteering resevior if it's available, good luck I just did an MY05 LGT swap and I'm still waiting on my ECU to run the whole thing.
Joshua
What ECU are you using? Did you just rewire the whole engine bay? I'm trying to avoid that hence the lack of AVCS control.
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Old 03-31-2006, 03:21 PM   #11
Jaxx
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Series 10 FRS

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ill answer he tried to use the 05 lgt ecu but ran into the imobilizer (believe he is trying a 04 sti ecu now)

are baja's side feed injector rails going to fit on the wrx tgvs or will you use the baja tgvs
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Old 03-31-2006, 05:03 PM   #12
uberspeed
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Quote:
Originally Posted by Jaxx
are baja's side feed injector rails going to fit on the wrx tgvs or will you use the baja tgvs
The plan is to use the baja tgvs with the wrx intake. i don't think the injectors will work with the wrx tgvs.
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Old 03-31-2006, 05:21 PM   #13
PHATsuby
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to stock is a project too

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are you going to use the stock ecu for the baja? Obviously that would be the best route, have you compared the stock wrx engine plugs to yours? It may not be a huge amount of rewiring, you may be able to just repin a lot of stuff and have enough wires but I havent looked at the two pinouts, I think it makes sense to just do it right to begin with so you have a stock reliable car

Ben
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Old 04-20-2006, 01:18 PM   #14
uberspeed
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The drivetrain is at my house and in the garage. I also purchased a VF39 and an STI TMIC. Still need to get an accessport (i think I am sold on that idea)

I am ready to pull the old motor and trans out. Everything has been disconnected and all fluids drained. i would like to pull them together (trans and engine attached) and replace the same way. Anyone have some advice on this?

Does the hood have to be removed? Do you jack up the car alot? What lift points do you use? I have a hoist with a leveler. I was thinking about using the dogbone mount that connects to the trans as the rear lift point and then using maybe the A/C bracket for the front? I would prefer to not lift by the intake if possible.

I should have some pictures soon.

Thanks,
Chad
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Old 06-30-2006, 12:10 AM   #15
uberspeed
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2 months later. It's alive! Started first try today with no leaks! It surprisingly idled perfectly and had no cel's without any EM. It looks like a stock STI under the hood. I had some setbacks with an ERZ downpipe that hit the body and crossmember but a cutoff wheel, BFH, and a friend's tig welder solved that. You definately get what you pay for! My A/C also doesn't work. I think I kinked the hose too much when I pulled the motor.

Just need to tune it and then I can drive it now. Overall this was a pretty easy swap that should have taken much less time but I procrastinated. But who wants to work on a car when its super nice out? I didn't do the best job formally documenting it like I planned but if anyone has questions just ask. I could do this swap with my eyes closed.

Here are some pictures. My camera hates me.



Oh, and I added up my bills. So far It has cost me around $6900 total including upgrades like group N bushings an accessport and other stuff. I am hoping to get some money for all the 2.0L stuff and my perfectly working stock trans etc. So total damages should be like $4500 or less. Not too bad!

Last edited by uberspeed; 06-30-2006 at 12:25 AM.
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Old 06-30-2006, 08:13 AM   #16
xcntrk75
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Looks great!

So which route did you go with the front axles? Did you convert the tranny over to sti-stub shafts (to use your old female axles) or run the newer male-stubbed axles?
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Old 06-30-2006, 09:50 AM   #17
Jaxx
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Series 10 FRS

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???
i see a throttle cable are you using the wrx ecu?
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Old 06-30-2006, 10:39 AM   #18
uberspeed
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Quote:
Originally Posted by Jaxx
???
i see a throttle cable are you using the wrx ecu?
I am using the entire WRX intake manifold, sensors and ecu. No AVCS. I beadblasted and painted the manifold with wrinkle paint to look like a complete STI swap. I am using the baja (same as STI) TGV housings and fuel system. I had to solder the new injector connectors in and drill and tap the head for the WRX cam sensor. The pick up points are on the STI/baja cam sprocket but not used by the STI/baja.

I decided to use the STI 6sp stubs so I could use the female axles (even though I had the male axles to use). It just seemed cleaner and if I ever replace an axle, I don't have to drain the trans. I like that.
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Old 07-09-2006, 11:24 PM   #19
uberspeed
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I have the base map loaded with zero boost and I already LOVE the new gearing. I have like 30 miles on it now. I can't wait to add some timing and boost. Woot!
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