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Old 02-18-2001, 06:53 PM   #1
Scooby Newbie
Member#: 2403
Join Date: Sep 2000
Location: San Diego
1998 Impreza 2.5RS
Rally Blue

Post Engine swap or turbo kit

what do you guys think i should do?
Engine swap or get a turbo kit
i saw on ebay few weeks ago of a 97 StI impreza engine with 280 hp (not sure) and i think the bids went up to about 3K which costs about as much as the turbo kit
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Old 02-18-2001, 10:16 PM   #2
Scooby Specialist
Member#: 438
Join Date: Oct 1999
Chapter/Region: W. Canada
Location: St. Albert, AB, Canada
2004 STi
White on Gold


This topic has been discussed to death on this board numerous times and you will find a wealth of info by simply clicking on the search button by the "Post Reply" button near the top of the page.

However, that being said, if I were to summarize a lot of info in two or three sentences, it would be as follows:

Swapping a turbo EJ20(WRX, STi) or EJ22(Legacy turbo) engine into an RS is as expensive or more expensive than a turbo for the RS. The numerous EJ25 turbo owners on this board will tell you that as long as an EJ25 has proper fuel management, it good for easily 300+ hp. The weak link is the tranny, even on the ones that come with the EJ20/EJ22 motors.

Feel free to PM me if you have any other questions, but this question ultimatley belongs in the Newbie forum.

Hope this helps.


[This message has been edited by markus (edited February 18, 2001).]
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Old 02-18-2001, 11:10 PM   #3
Scooby Specialist
Member#: 1607
Join Date: Jun 2000
Location: Santa Rosa, CA
2002 Silver
double you are ecks wagon


but what about from the position that you are starting with a 1.8 instead of a 2.5?
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Old 02-18-2001, 11:19 PM   #4
Scooby Specialist
Member#: 1997
Join Date: Jul 2000
Chapter/Region: MWSOC
Location: Des Plaines, IL
2006 Acura TL 6spd
STMGM6 alumni


If I were starting with a 1.8l Id build up a 2.2l block and put an aftermarket turbo on it. 1.8l wont get you enough power, and 2.2l blocks are cheap. Trouble with the SOJ engines is that they are tuned to run on higher octane than we have readily available. Either way you're looking at a fairly expensive build.
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