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Old 12-07-2003, 12:03 AM   #1
scubydrew
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Default Need Answers!! EJ22T Into 98RS

Me and a Friend of mine wanted to do this swap into my 98 RS we wanted to know if it was possible to use the EJ22T Block and Heads, with the stock 98RS DOHC manifold sensors and computer. Does neone have any input for us ? thanks.

We do have alot of experiance working with these motors we have turboed a 1.8 and then when that blew up we used the EJ22 Block and heads with the stock 1.8L ECU Manifold and sensors.

What we dont know is what kind of problems we would encounter because the 98RS is a DOHC motor and the EJ22T is a SOHC

Hopefully i can just do what we did with his 1.8



Thanks
Paul
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Old 12-07-2003, 02:36 AM   #2
Drac9
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Should work fine.
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Old 12-07-2003, 02:43 PM   #3
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Where were you when I was asking about a 1.8L intake mani on a 2.2L block? I'm about to do the same thing and had to cross reference intake manifold gaskets to see if the ports are the same. Now I know they are and thought I would be the first with this setup. Luckily I'm not That said, how was the air/fuel ratio after the swap? What kind of boost are you running? What do you have for fuel and timing mods? How much more power did the 2.2L give you? How many miles now on the boosted 2.2L?



On to your questions... The 2.2L turbo engine uses just about the same head design as the 1.8L and same intake manifold gasket as well. The 2.5 on the other hand has a much larger inner diameter than the 1.8/2.2/2.2T. That being said keep the well flowing 2.5 heads and just swap the block for the better 2.2T block. As for which headgasket to use, that's a debate. Look up WAC and check out his webpage, that should help you as well. With the block being the only difference you'll have a very turbo happy setup using all stock sensors.

Chad
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Old 12-07-2003, 06:12 PM   #4
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subachad:I'm using the legacy turbo block and heads and ej18 manifold and sensors as for how the car is running it runs smooth except I keep blowing off the coupler that goes for the thottle body to the intercooler. I'm running 10 psi right now but plan on turning it up once I get everything taken care of. I finished everything friday night and have no idea about what kind of power it's making but it's shooting fireballs and needs to be tuned. I have to say it is such an easy swap. If you have any questions just ask. drew
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Old 12-08-2003, 02:48 AM   #5
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Quote:
Originally posted by subachad
Where were you when I was asking about a 1.8L intake mani on a 2.2L block? I'm about to do the same thing and had to cross reference intake manifold gaskets to see if the ports are the same. Now I know they are and thought I would be the first with this setup. Luckily I'm not That said, how was the air/fuel ratio after the swap? What kind of boost are you running? What do you have for fuel and timing mods? How much more power did the 2.2L give you? How many miles now on the boosted 2.2L?

Ya... there are a few people out there running this set up, there are a lot of threads covering it too. Search....


Something funny is going on here......
http://forums.nasioc.com/forums/show...hreadid=465242
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Old 12-08-2003, 01:47 PM   #6
subachad
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I am familiar with the search function thank you.

When he said he was running the 2.2 block with the 1.8 top end, I thought he was referring to the 2.2N/A block, not the turbo block. If you read his first post, there is nothing saying that it's the 2.2T block.

That said, my questions have not really been answered and I guess I'll just have to wait and see how it goes.

Chad
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Old 12-08-2003, 04:42 PM   #7
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Quote:
Originally posted by subachad
I am familiar with the search function thank you.

When he said he was running the 2.2 block with the 1.8 top end, I thought he was referring to the 2.2N/A block, not the turbo block. If you read his first post, there is nothing saying that it's the 2.2T block.

That said, my questions have not really been answered and I guess I'll just have to wait and see how it goes.

Chad
Did you check out the link I posted? It doesnt exactly answer you questions but it show how others are running with this set up...

Quote:
Originally posted by ImprezaRS dot com
Compression will drop to about 7.5:1 though. Try PM Xephyr here on NASIOC as he is running 330whp at 6000ft elevation with a 2.2T and 98 DOHC heads.

http://forums.nasioc.com/forums/show...ghlight=Xephyr this will help
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Old 12-08-2003, 06:22 PM   #8
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Yes, and I love that thread.

It refers to a 2.2T block with a 2.5RS top end. Great setup if you ask me
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Old 12-08-2003, 09:59 PM   #9
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Chad, let me shed some light on the situation at hand, the first post was my post on Scubydrews name... for some reason nasioc likes to save cookies and not let people log in and out on the same machine w/o a problem So that is where all that comes from.

I helped drew with his 2.2T Block install. Ill let him get back to you on the specifics, but all i can say is IM CONVINCED 2.2T is the way to go. and its a very straight forward and easy swap to do.. if anyone has questions about whats involved in the 1.8 to 2.2T setup ... shoot...

Paul
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Old 12-08-2003, 11:50 PM   #10
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Quote:
Originally posted by subachad
Yes, and I love that thread.

It refers to a 2.2T block with a 2.5RS top end. Great setup if you ask me
Ya, 98 heads and 2.2t block is nice. Im thinking about a 2.2T with a ver8 crank and some STi Ver 7 heads.... now to just come into a crap load of money....
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Old 12-08-2003, 11:53 PM   #11
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way to solve the mystery sherlock
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Old 01-15-2004, 08:49 PM   #12
IllNastyImpreza
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Question engine managment

so I'm gona swap in an ej22t onto my 98 ej25 heads. Its BOLT ON, but what about engine managment? Can I use a piggyback or do I have to go stand-alone. I have NO IDEA where any tuning companies are around boston. SO...once I get it all set up how do I tune it??? Since the ej22t can sapport up to 30 lbs of boost!(peak) I want a managment system that can handle it.

So far I need:

ej22t
legacy oil pump
turbo kit
AND engine managment



anything else???
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Old 01-15-2004, 11:21 PM   #13
totoherbs
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Well if you use wrx heads you can use a wrx ecu with a reflash. If you use your rs heads then you will need a stand alone.

As for shops, you can ask and search nesic for more info on local shops.

Im in waltham, Ma.
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Old 01-16-2004, 02:56 PM   #14
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keep the RS heads...the EJ22G heads suck like the EJ18 ones...they don't flow worth $hit
Take it easy, Micah
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Old 01-18-2004, 10:26 PM   #15
IllNastyImpreza
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Lightbulb ej22t BLOCK

yea only using the ej22t block
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Old 01-19-2004, 03:44 PM   #16
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