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Old 02-23-2002, 10:58 PM   #1
EddyRS
Scooby Specialist
 
Member#: 1257
Join Date: Apr 2000
Location: In the Valley.....Somewhere...
Vehicle:
2000 GC8 WRX
93 RS-W Wagon (White) RIP

Default RS to WRX conversion (Update)

Hi-all

Well its been a while since I last posted anything on the conversion, and alot has happened since then.

Last weekend Bill and Chris came up and we spent both Saturday and Sunday tearing apart my RS. We completely Gutted the car. Now you don't have to go that far when doing the conversion, We just wanted to get a total understanding how where everything went (wire wise).

So Saturday was basically taking everything apart, and removing the 2.5L engine. Last thing we did before 11pm was put in the Legacy Cross-member.

On Sunday we spent most of the day tracing wires in the WRX harness. Now when they say this is the hardest part of the install....they weren't kidding. Basically we traced where every wire left the Harness, we wanted to see what was easier.....either replacing the RS with the WRX harness, OR integrating the WRX engine and ECU Harness portion with the existing RS harness (Removing the Engine and ECU of the RS). After spending about 4-hours going back and forth.....we decided to modify just the portion that consists with the ECU and engine. Since the rest is still the RS, why change and modify it. Unfortunately since the Bill and Chris had to leave that night, we stopped and started putting the engine in. I installed the JUN Flywheel and ACT Clutch from the RS engine and put it on the EJ20. We then dropped the engine into the car. It took longer then we thought, as the engine JUST fits in the GC8 body. The EJ20 WRX engine is much bigger then the EJ25 RS phase II engine.

That was it for last weekend.

For the past 5 days I have spent installing the rest of engine hardware and exhaust. Everything is mostly bolt-up. The only modification I had to do was with 3 things.
1. Had to trim a portion of the heat shield so that the Rear O2 Sensor can fit (the opening is opposite between the two cars).
2. Had to drill new holes for the by-pass solinoid valve bracket.
3. Needed to mount the Power-steering fluid reservoir.

I also was able to mount a Lower Front brace, and a Front Whiteline Adjustable Swaybar. (As these were meant for the GC8 WRX and wouldn't fit on the RS).

SO now everything is installed in the engine. THere's not much room left in the engine compartment. But everything fits as it should. Only thing left is the wiring harness. (GOD.....it is so easy to say that )

Oh well.......got only one way to go now.

That's about it. If you guys got any questions....feel free to shoot me a message.

Cheers

EddyL.
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Old 02-23-2002, 11:14 PM   #2
mattdesmond.com
Scooby Newbie
 
Member#: 9109
Join Date: Aug 2001
Location: Redwood City
Vehicle:
'01 Real
Cairo Foster

Default

Sounds awesome, and a lot of work.

Post some pics when you get a chance!

Matt
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Old 02-24-2002, 12:30 AM   #3
ac_gohan
Scooby Specialist
 
Member#: 1903
Join Date: Jul 2000
Location: Bay Area, I-Speed Tech
Vehicle:
2000 2.5 RS-T coupe
T3/04 Link'd 2 10 PSI

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Cool keep it up i want to see this when it is complete.
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Old 03-06-2002, 03:24 PM   #4
gypsymoth
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Member#: 6072
Join Date: Apr 2001
Chapter/Region: SCIC
Location: Torrance or Redlands, CA
Vehicle:
01 Silver 2.5 RS
04 Silver WRX STi

Default

Is the WRX engine from a Japanese GC8 WRX? Or is it from a 2002 US Spec GDA WRX?

Chieh
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