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Discussion Starter · #1 ·
So im looking to get a bigger turbo for my saab aero 9-3 2.0T, but before then im looking at other options like, buying a second turbo and having it installed. i found a used turbo from another saab. is it possible to have two turbos "stock" installed and running at the same time??
 

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No point, won't work... not gonna go crazy typing

Get a 19T, and pistons if you plan on lasting a while
 

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Is it possible? Sure, how deep are your pockets? Is it practical or worth the time and money? No.
 

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If anything do that on a XWD v6...:eek:

You could twin charge it by taking the intake manifold and eaton blower from a cobalt, but you'd need standalone ecu for the 2.0 for sure.
 

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You could theoretically build a sequential turbo setup (one tuned for low rpm CFM requirements, one for high), but:

1. What is going to control the wastegate
2. Who is going to program the ECU
3. What functionality is going to be lost (in the SID)
4. How are you going to fit all the plumbing in a 9-3?
5. You're better served by an upgraded twin-scroll turbocharger
 

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Are twin-scroll turbos a direct bolt-on?
If you really wanted to, you would need a custom manifold, custom intake, and a twin scroll turbocharger that would bolt up to it, then you would most likely need a custom exhaust from the turbo back. You'll also want stainless braided hoses for the oil and coolant lines.

If you want a pretty big turbo, you'll also need supporting mods like cams, upgraded fuel, sufficient cooling, forged internals, etc etc.... and make sure your trans and axles can put it all down. You can do it, but a build with a turbo that will efficiently push past 350hp is where it gets very expensive. Otherwise, best bang without dropping major dough would be to just stick to a TD04HL-19T upgrade. But it depends what you're doing with the car.
 
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