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Old 05-17-2002, 04:34 AM   #1
ejicon
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Question Future EJ22t Engine Swapping Question

I have a 91 Legacy turbo. I plan on getting a 00-01 RS. I would really like to get it turboed. So what should I do with my legacy? I got into a accident with it and the front left side is a little smashed. The engine seems to be fine, it has 150k on it. The only problem is I know the tranny is dieing on it. It's an auto. MY RS will be a manny. WHAT SHOULD I DO? Should I sell my Legacy SS and just invest in a completely new Turbo upgrade when I get my RS? Or keep my legacy and just swap all the parts to the RS? Also, can I use the RS's tranny with the ej22t? Thanks in advance.
-Ells

edit: Also, what would be cheaper? The engine swap or a completely new turbo upgrade+installation? WIth 150+k on the turbo engine, how long could it last. Not too much i think..???
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Old 05-17-2002, 08:38 AM   #2
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1. Pull the motor and sell the rest of the Legacy to a junkyard.

2. Buy your RS and leave the stock motor in it while you have the EJ22t rebuilt w/bigger turbo and more fuel delivery.

3. Pull the EJ25 and install the EJ22t, yes it will work with your manual tranny.

4. Get some a standalone ECU, I don't think you can use the Legacy ECU because it's an auto, but I'm not sure.

5. Pray your tranny doesn't break!!

Seriously, I think you would be much better off with a rebuilt EJ22t than with turboing your EJ25. That's just my opinion.

- Trent
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Old 05-17-2002, 08:59 AM   #3
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Remember to grab the engine crossmember off the Legacy otherwise you won't be able to just drop the motor into the RS.
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Old 05-17-2002, 09:03 AM   #4
peepshow
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Have a Nice Day?

Ooops, yeah, what Nick said. Keep the cross member and the engine and THEN sell the rest to a junkyard!

Thanks, Nick.

- Trent
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Old 05-17-2002, 09:08 AM   #5
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Quote:
Originally posted by dsmawd
1. Pull the motor and sell the rest of the Legacy to a junkyard.

2. Buy your RS and leave the stock motor in it while you have the EJ22t rebuilt w/bigger turbo and more fuel delivery.

3. Pull the EJ25 and install the EJ22t, yes it will work with your manual tranny.

4. Get some a standalone ECU, I don't think you can use the Legacy ECU because it's an auto, but I'm not sure.

5. Pray your tranny doesn't break!!

Seriously, I think you would be much better off with a rebuilt EJ22t than with turboing your EJ25. That's just my opinion.

- Trent
Don't forget to keep the rear brakes off the Legacy Turbo as well. 10.5 ventilated rotors is better than the 10.3 solid RS rear rotors... PM me if you need to know what all to transfer. Keep the rear hubs too and sell them off to those converting from drum to disk.

Jon
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Old 05-17-2002, 09:47 AM   #6
peepshow
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Yeah, Jon feels my rear drum pain!

- Trent
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Old 05-17-2002, 12:37 PM   #7
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You might be able to sell off other parts here too...I know some people that would like the turbo's hood
I might want the wheels...
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Old 05-17-2002, 07:30 PM   #8
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Thumbs up

Thanx guys for the fast feedback. I'll post some pictures of what my car looks like.. I have GT Rims on it and I still have the standards. The hood is gone, the hood scoop is still o.k
ANOTHER QUESTION: Would it really be neccessary for the engine swap? I mean, my Legacy had 160HP's while the RS stock has 165HP? Seems like the RS has more power stock then a turbo Legacy? I guess the only way to increase power is with a bigger turbo???
-ELLS

Last edited by ejicon; 05-18-2002 at 03:49 AM.
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Old 05-19-2002, 07:49 PM   #9
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Question

bump.... un-answered preguntas(questions)
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Old 05-19-2002, 09:37 PM   #10
Graham
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I think that the Legacy turbo's are faster to 60 than the RS's, even though they are less horsepower. The Legacy turbo engine, from the factory, is babied. There are guys on this board running upwards of 15 psi on the stock internals, which says something about it being acceptable for boost.

When dsmawd said put a larger turbo on the engine, he was probably referring to that as well as running more boost. The stock turbo on the Legacy, the RHB5, is small, though a good turbo. By placing a larger turbo on, you can gain more power up top while being able to run more boost more efficiently. The small Legacy turbo runs out of efficiency on the 2.5L motor around 7-8 psi. So, it probably runs out of efficiency on the 2.2L motor around 9-11 psi. If you upgraded to something like a IHI VF-22 or VF-23, you would able to run higher boost pressure due to the larger turbo which in turn is more efficient on the top end.

So, in other words, rebuild the motor and throw it in the RS, or just turbocharge the EJ25.


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Old 05-20-2002, 10:30 AM   #11
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Quote:
Originally posted by ejicon
Thanx guys for the fast feedback. I'll post some pictures of what my car looks like.. I have GT Rims on it and I still have the standards. The hood is gone, the hood scoop is still o.k
ANOTHER QUESTION: Would it really be neccessary for the engine swap? I mean, my Legacy had 160HP's while the RS stock has 165HP? Seems like the RS has more power stock then a turbo Legacy? I guess the only way to increase power is with a bigger turbo???
-ELLS
Well...I'm interested in the wheels, the GT & the stock alloys

As for power...the stock Legacy has more torque than the 2.5...180lb/ft & it can run 11psi non/intercooled, a very strong motor
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Old 05-20-2002, 10:37 PM   #12
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thanx guys...
-Ells
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