Conversions, Transplants, & Swaps Anything from the EJ20 into an RS to port-a-potties into an STi. Anything about engine and tranny swapping.

2000 RS, STi swap. will it bolt up?

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Old 07-13-2009, 12:46 PM
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2000 RS, STi swap. will it bolt up?

Hey,

I've got a 2000 RS and found a good deal on a 04 STi engine and complete wire harness.

will the RS tranny hold up to the higher HP from the STi engine? or do I need to ugrade tranny/rear diff etc...

thanks

Last edited by u6t9; 07-13-2009 at 02:59 PM.
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Old 07-14-2009, 12:54 PM
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its all relative to the condition of your trans and how you drive it. I've ran my RS trans with a 07 wrx engine and stressed first gear to the point of it roaring really bad, so if you go that route expect to fix the transmission at some point.
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Old 07-16-2009, 10:21 AM
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Sti engine very powerfull 300hp. I would recomend to install tranny from Sti or just upgrade a little bit your current tranny. Is your this engine turbo or not? If not, you defenetly need a wrx tranny or sti. Well what you think U6T9
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Old 08-02-2009, 11:47 AM
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i recommend payin' the extra cash for the STI tranny and diff/axles because it will give you less headache in the long run...
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Old 08-02-2009, 05:25 PM
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The engine will bolt up, but you will have to merge a lot of the wirings.
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Old 10-11-2009, 11:34 AM
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And its a ***** to do. I just did a swap but I used a 2003WRX engine. What it comes down to is how much power you want to be running. A WRX swap with some bolt on will be faster then most things out there.
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