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Old 05-09-2017, 06:45 PM   #1
91 RS RA
Scooby Newbie
 
Member#: 457410
Join Date: Oct 2016
Chapter/Region: International
Location: Christchurch, New Zealand
Vehicle:
1991 Legacy RS RA
White

Default Turbo on 2.5 Outback?

OK so I have a 2.5 N/A JDM outback 05 model preface lift.
I have a spare turbo hanging around (a VF10).
What I was thinking about doing was seeing if I could run a turbo with wastegate pressure (7psi if correct).
I have a spare water to air intercooler I was going to use and I was going to fabricate the custom up and down pipes myself.
The main queries are is it hard to add the oil feed and return lines, is there a good place to tee into or would I need to start drilling and tapping into the engine itself?
and would the ECU be able to cope with low boost and not run lean.

I dont want to be removing the engine to install every thing.

Any ideas or help would be good.

Love the car but would like a little bit extra oomph.

P.S I live in NZ
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Old 05-10-2017, 03:30 PM   #2
H_wells3000
Scooby Specialist
 
Member#: 322035
Join Date: Jun 2012
Chapter/Region: BAIC
Vehicle:
2003
Ol yeller

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Quote:
Originally Posted by 91 RS RA View Post
OK so I have a 2.5 N/A JDM outback 05 model preface lift.
I have a spare turbo hanging around (a VF10).
What I was thinking about doing was seeing if I could run a turbo with wastegate pressure (7psi if correct).
I have a spare water to air intercooler I was going to use and I was going to fabricate the custom up and down pipes myself.
The main queries are is it hard to add the oil feed and return lines, is there a good place to tee into or would I need to start drilling and tapping into the engine itself?
and would the ECU be able to cope with low boost and not run lean.

I dont want to be removing the engine to install every thing.

Any ideas or help would be good.

Love the car but would like a little bit extra oomph.

P.S I live in NZ
Been done many times on older NA cars

BUT I think your 05 outback ecu is not going to like much funny business going on. Especially the jdm model since it is even newer than the USA version and likely has avcs.

If you're iffy about pulling the motor this isn't wise. It'll be prone to detonation are has weak rods, high comp and boost are tough to mix without engine management.
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Old 05-10-2017, 06:15 PM   #3
91 RS RA
Scooby Newbie
 
Member#: 457410
Join Date: Oct 2016
Chapter/Region: International
Location: Christchurch, New Zealand
Vehicle:
1991 Legacy RS RA
White

Default

Thanks for the info

Will keep the engine as stock and save my money for my next project car.
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