Turbo for a 1999 outback legacy 2.5 - Subaru Outback - Subaru Outback Forums
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post #1 of 4 (permalink) Old 06-10-2011, 05:39 PM Thread Starter
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Turbo for a 1999 outback legacy 2.5

I have looked every were for a turbo for this car does anyone know if you can take one off another subaru and fit to this one. Thanks for looking.

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post #2 of 4 (permalink) Old 06-10-2011, 06:51 PM
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If you just add a turbo all you're gonna do is blown your engine. You'd need to upgrade injectors, as well as a crap ton more parts that were not designed for boost.

If you want a turbo Subaru there have been Legacy, Outback, Forester, and Impreza models with factory turbo set ups....it will be cheaper (funds and hours) and more reliable overall to buy a new vehicle than to turbo yours.

Check Subaru Research Site- specs, prices, options, 2011, 2010, 2009.. Outback, Legacy, Forester, Impreza, Tribeca for all Subaru models to see what fits what you are looking for.

Have you tried using the Google search bar at the top of the forum?

2003 Outback 2.5 wagon: "Kaylee". 161,000 and counting.
More rust than I care to think about. And leaking head gaskets. And electrical gremlins. Still flyin'.

2002 L.L. Bean Limited 3.0 Outback wagon: "Mal". 110,000 and counting.
Plenty of battle scars and fixing up the previous owner's neglect.
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post #3 of 4 (permalink) Old 06-10-2011, 08:37 PM
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you can add forced induction, but it's not wise for all sorts of reasons. you should probably read up about how turbo's work - wikipedia comes to mind.

a "turbo" vehicle has a LOT more to it than just a turbo. it's not like bolting a turbo to a non-turbo car makes it the same as a turbo vehicle.

first, and most importantly a non-turbo vehicle has high compression pistons - turbo has low compression. this leads to multie phase issues - first you need to be very careful not to blow your engine, should be monitoring EGT's and not boost very much. so you're very limited with boosting and can't hit near the power limits that a turbo engine can.

you can still do it, with very careful management and limited boosting. you can't boost it like you can a turbo engine though so you're severly limited.

the turbo needs oil and coolant supplies too, not readily available in a non-turbo block/heads. you can work around it, but it's definitely not a "bolt" on kind of thing.

then the exhaust is all different and stock exhaust normally won't clear the cross member on your car so you'll have to swap the entire engine cross member too and install a turbo exhaust...or have a custom exhaust made $$$$ unless you bend/weld yourself.

expensive, increased risks, and very limited power gains anyway (when compared to true turbo applications).
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post #4 of 4 (permalink) Old 06-10-2011, 10:05 PM
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Your best bet, swap your engine for a WRX. It's 2 liters before 2008. They can be modifeid without too much $. They don't cost a whole lot. Pretty reliable. Easily found.

Don't even try to turbo your stock engine. I'm sure you can find a good tuning shop around your area.

If money is no concern, go for a recent STi versions from Japan. 7's and 8's have variable valve timing. 9's are slowly making their way over here. Hooked up to a 6 speed STi tranny, they are pretty much bomb proof.

There is someone else here that has a '98 OB with an STi motor. He has a pretty sweet set up.

Outback STi
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