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Old 04-10-2003, 02:07 PM   #1
Aaron Hoag
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Question sti 6spd tranny in an 00 rs2.5?

I know that subaru prides itself on it reverse engineered parts, and good percentage of overall "compatibility". But, has anyone swapped a tranny only into an rs? Preferably an upgrade from the stock one

a-
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Old 04-10-2003, 02:24 PM   #2
peepshow
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The transmission tunnel in the new body style is bigger than on teh GC/GF/GM chassis cars. I'm sure you could make it fit, but I'm equally sure it will require cutting some of the transmission tunnel. Not worth the cost/effort, IMO. Custom work like that is sure to be $$$$$$$$.

- Trent
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Old 04-10-2003, 06:17 PM   #3
Ver.III
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I have one in my 99RS . You don't have to cut out the tunnel. Just a little "tapping" to clear the shift mechanism.

Only major modification is either shortened the stock RS prop shaft or get the 6-speed one. I opted for the first, it cost me $150 Cdn. to shortened and re-balanced.
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Old 04-10-2003, 07:13 PM   #4
Aaron Hoag
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very cool verIII.
did you get a used tranny or a newer one?
jdm or soa?
worth the effort to install?

thanks

a-
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Old 04-11-2003, 12:34 AM   #5
Ver.III
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I came across a one-time deal for a new JDM 6-speed. I had it planned for a while but the funds were low. I love the 6-speed, considering I had a Sti RA 5-speed before. Its not fun sitting at 4200rpms doing 100km/h on a long 5 hour trip !
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Old 04-11-2003, 01:17 AM   #6
Kostamojen
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If you had the whole drivetrain including the diff and driveshaft, it should be pretty much a drop in, exept the shift linkage clearance maybe, and perhaps a spot the put the DCCD switch if you had one with DCCD
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Old 04-11-2003, 11:55 PM   #7
grnlantern1
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Hey Ver III what RPM are you driving at now with 6th gear I have the Version IV with the 4.44 final drive and I know what you mean high rev's doing 80MPH but it's nice when someone want's to play with ya..... Give it the Gas and GOOOOO....Ron
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Old 04-12-2003, 11:54 AM   #8
HOK
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how about axles...??? i know i asked this before... hehe forgot...
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Old 04-13-2003, 01:35 AM   #9
Kostamojen
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I dont know about the axles... Depends on if they are a different length or not. I know they are beefier though...
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Old 04-13-2003, 03:15 AM   #10
kidatari
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Ah-ha! Just the thread I was looking for. So, mating the 6MT to the EJ25 is just plug and play, or what? I need to ditch this 4EAT, and I'd like to swap over to a 6MT with the SureTrac. Also, for whoever did this, did you just use a WRX clutch and flywheel, or what?

-Josh
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Old 04-13-2003, 08:32 PM   #11
Ver.III
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There are 2 different 5th/6th ratios. The JDM has the shorter ones , 5th(1.062) / 6th(.842) . So at 120kmph , I'm buzzing around 3500rpm.


Shafts , I used back my stock RS front shafts. The splines are the same. Problem with the Wrx ones is that they are longer. It may be okay, but I am not sure about the plunge distance if it would bottom out in the inner joint.

Clutch, I am actually using a stock Wrx pressure plate with a Helix 4-puck disc, center-sprung.
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