is this T25 turbo? from SAAB 93 - Miata Turbo Forum - Boost cars, acquire cats.

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Old 12-15-2015, 10:15 PM   #1
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Default is this T25 turbo? from SAAB 93

just found it today in junk yard on a 2001 SAAB 93

it is rusty, but the turbine looks good, no shake

if it is usable, I would take it back and rebuild it for my miata

any opinion?

also found a turbo on 300ZX with fully sand blocking up, lol
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is this T25 turbo? from SAAB 93-img_0014.jpg   is this T25 turbo? from SAAB 93-img_0015.jpg   is this T25 turbo? from SAAB 93-img_0016.jpg   is this T25 turbo? from SAAB 93-img_0017.jpg   is this T25 turbo? from SAAB 93-img_0018.jpg  

is this T25 turbo? from SAAB 93-img_0019.jpg   is this T25 turbo? from SAAB 93-img_0020.jpg  
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Old 12-15-2015, 10:44 PM   #2
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They are T25 turbos. T25 stardard inlet and conical 3 bolt outlet flange (can be found on the oem downpipe or saab tuning shop for custom).

Most Saab people upgrade from that turbo. That is the smaller one and it is almost a direct upgrade to the MHI unit.

The bigger oem turbo (exact same turbine inlet and outlet type) is the TD04-15T with 5 or 6cm2 turbine housing. Pretty tough and reliable turbo and can make just over 300hp(crank) with closer to 350tq on the saab 2.3. found on T7 9-3 Viggen or HOT or 9-5 Aero or later Arc. Most people upgrade to the 19t compressor and gain around 50 more hp. I would be going with the 6cm housing for sure(swappable from older 9000 aero or on ebay) or ebay has a 7cm one as well. for reference most t25s have 7-8cm ones when you convert number.

That is just some info if you wanna go custom with that. could always run a t25 manifold and custom downpipe/lines. A premade kit would still be easier
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Old 12-15-2015, 10:49 PM   #3
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I have the TD04 he is talking about. The downpipe flange is a pain to find, I paid $65 for it in stainless.

That one looks like ****. and looks dead.
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Old 12-15-2015, 10:58 PM   #4
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This must be a troll. No sensible person would pay for a part that looks like that.
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Old 12-15-2015, 11:04 PM   #5
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I also think this turbo looks weird so I did not buy it today, seems like a good choice

I will try another day to find something better
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Old 12-15-2015, 11:07 PM   #6
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Buy all of the supporting parts first. Then the turbo.
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Old 12-16-2015, 08:20 AM   #7
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looks like a cool office decoration.
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Old 12-16-2015, 12:23 PM   #8
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Quote:
Originally Posted by Neilv View Post
They are T25 turbos. T25 stardard inlet and conical 3 bolt outlet flange (can be found on the oem downpipe or saab tuning shop for custom).

Most Saab people upgrade from that turbo. That is the smaller one and it is almost a direct upgrade to the MHI unit.

The bigger oem turbo (exact same turbine inlet and outlet type) is the TD04-15T with 5 or 6cm2 turbine housing. Pretty tough and reliable turbo and can make just over 300hp(crank) with closer to 350tq on the saab 2.3. found on T7 9-3 Viggen or HOT or 9-5 Aero or later Arc. Most people upgrade to the 19t compressor and gain around 50 more hp. I would be going with the 6cm housing for sure(swappable from older 9000 aero or on ebay) or ebay has a 7cm one as well. for reference most t25s have 7-8cm ones when you convert number.

That is just some info if you wanna go custom with that. could always run a t25 manifold and custom downpipe/lines. A premade kit would still be easier
Someone knows their saabs. Moral of the story is, even in the saab world the t25 is a paperweight at best. Working TD04's go for about $150 or so, and last 150k+ miles easy.
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Old 12-16-2015, 01:32 PM   #9
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Same TD04 that's in the Subaru WRX?
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Old 12-16-2015, 01:32 PM   #10
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No.
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Old 12-16-2015, 01:43 PM   #11
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The Saab ones are a td04hl vs a td04h. Bigger shaft and a better turbine wheel on the hl. Also the turbine housing is completely different as well as the compressor wheel and housing. Oil/coolant ports might be the same but might not. They are closer to the Volvo td04 turbos which are also hl's but a little different and t3.

I used to have a Saab viggen so I know a few thing about then. They are pretty responsive and can beat the **** outta them(in relative for a stock turbo). I've grabbed low km ones locally for 75$ and in great shape too

Only Issue is the smaller turbine housing is the more common and egt's skyrocket.
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Old 12-16-2015, 01:45 PM   #12
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There is even a variant of the volvo one that shares the same downpipe flange. I ended up getting my downpipe flange from a saab shop.

The built in bypass valve is really cool, makes me feel like i have an EFR

The wastegate design is also really awesome, and I can run 0psi through it with the wastegate disconnected.
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Old 12-28-2015, 04:57 AM   #13
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I don't know, the damage from moisture will probably be similarly bad inside... Unless rebuilt I wonder how much time on full spin it would take before the turbine enters your engine.
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