Please shed your opinion - 97 OB turbo'd EJ22/25

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I have a 97 OB, T-belt idler pulley locked up and it had a severe train crash.

Valve train that is, both heads.

I swapped a suspicious EJ22 into the OB - it was suspicious as when I yanked the lump

from the boneyard donor it had no T-stat installed.

 

Suspicions warranted - it bubbles into the overflow after any driving.

Coolant does not return to previous level and combustion smell exists in the overflow bottle.

 

Also learned the VSS drive gear is bad so the X-mission must come out.

I am going to yank the lump then the tranny,

(one man band here so I have to do it in stages).

 

So while the tranny is out of house for repair ($75 -pro installation - a man must know his limitations)

 

I want to use the EJ25 shortblock and the EJ22 heads (using the new 2.5 OEM head gaskets).

Now, I also have the crossover

pipe from an EJ22T and it's turbo charger.

(I make my own divorced waste gate down pipes.)

I will incorporate both 02 sensors as I need it to pass PA IM tests.

 

Questions:

1) Will the cross over pipe hit the cross member? If so can the member be modified with a BFH?

 

2) What will the ol' ECU OBD II think of getting "huffed" on.

 

3) Should I use the baro sensor from a EJ22T?

 

I plan on using either a WCIC or TMIC - have both.

I also plan on adding two Bosch CIS cold start injectors

triggered by a boost switch (one for each head mounted in the intake).

Wish I had a wide band.

 

Call me loony but don't call me late for happy hour.

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4) Should this be in the "Retrofitting" forum?

[burtonsnowman]

4) Should this be in the "Retrofitting" forum?

Nah...it'll get more attention here.

 

Do you have any pics of your project? I like your idea...

 

I would be worried about the ECU, though.

 

 

 

 

 

 

p.s. Latrobe, PA is also the former home of Fred (Mister) Rogers - the greatest dude (after Chick Norris) ever born in the USA.

[Subarutex]

On the bright side, the worst thing that could happen is to lose both the block and heads.

 

I learned that thought mentality with all my adventures with EA82T's. At the end of the day, it is just another enigne.

 

SOme people say it works, some say it doesn't. But, with your forsight and superb thinking skills, I think you could succeed. Think low boost though. that 2.5 with the 2.2 heads will yeild higher compression if my research is correct...

 

Keep us posted on this wonderful adventure!

[xrturbo]

why do you want to use 2.2 heads. dual cam heads have bigger runners to accomodate more air. find a turbo crossmember for the pipe to clear, had a friend who tried the whole make the existing one work by beating and cutting and he wound up getting a wrx crossmember.

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Thanks for the encouragement guys.

 

XT - the heads are toast from the train crash, plus I have the EJ22 heads.

I will use the EJ25 intake manifold so the intake runners will at least be larger.

Jeremy recco's getting the cams done at Delta and I will do the Dremel dance.

I have the hanging cable model that is made for this operation.

 

Finding a EJ22T crosmember is another "hen's tooth". I may try and go under the member

and up as I have read this is an option (the factory pipes go under it).

Plus I have the original EJ22T cross over pipe as a position guide / donor.

 

I will photo document this op and as ya'll mention plan on limiting

the "huffin' " to 7 or 8 psi.

 

I would like some feed back on the barometic pressure sensor

and if the engine will be of the intereference varity.

(I will change the belt / seals - ect)

 

I still must contend with OBD II and PA IM tests.

 

(PA IM tests are not rolling tests, just idle and high speed (3 K RPM)

I have never had a Subaru with a good cat fail but this is my first junction with

a modified OBD II unit)

 

I 'preciate your reading this.

 

[idosubaru]

the 2.5 heads are probably salvageable, my friend who's a mechanic has done a couple of these motors with broken timing belts and said bent valve were the only issues, he said they weren't that bad. might be worth having them checked out?

 

the computer will handle the additional boost fine, i don't think you even "need" an extra injector. i know someone who installed a turbo on his non-turbo EJ22 engine in a 1997 OBS. ran great, has over 100,000 miles on it and he's owned it since new. almost positive he didn't install any extra injectors. he has since removed the turbo stuff and is back to running non-turbo.

[Skip]

Thanks Gary,

Any chance this gentleman has an email address?

There are the other issues I mention I'd

like to discuss with him.

 

Why did he remove the hardware?

Do you think any of it is for sale?