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NG900 & OG9-3 Performance, Mods & Tuning Covers Tuning & Performance modifications for the NG900 (1994 to 1998) & OG9-3 (1999-2002) & '03 Convertible

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Old 8th October 2010
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Default New Saab owner; gonna start modding. Which turbo do I have?

I see so many different turbos for these cars.. which turbo is on my 1999 turbo 5spd convertable?
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Old 8th October 2010
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Is yours an SE? I think you should have a Garrett T25. What's your power goal for the car, and what do you want to use it for?
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  #3  
Old 8th October 2010
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A t25?? So it's not a t5 or t7 like I see everywhere? Yes I think it's an SE.

My power goal? I dont really have one. It's my wifes car, and she likes to hot rod our cars, or should I say my cars, so I just wanna spruce it up some. I'm probably only gonna do a ssqv/DV, intake, MAYBE exhaust, and DEFINATELY tuning. Then I might do a short shifter, and some visual mods to make it look better. My wife just daily drives it and goes on highway trips with it.
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Old 8th October 2010
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Quote:
Originally Posted by 85_305 View Post
A t25?? So it's not a t5 or t7 like I see everywhere? Yes I think it's an SE.

My power goal? I dont really have one. It's my wifes car, and she likes to hot rod our cars, or should I say my cars, so I just wanna spruce it up some. I'm probably only gonna do a ssqv/DV, intake, MAYBE exhaust, and DEFINATELY tuning. Then I might do a short shifter, and some visual mods to make it look better. My wife just daily drives it and goes on highway trips with it.
T5/T7 stands for Trionic, which is the engine management system. T5 is for the 94-99 NG900 and 9-3, 00-02 is T7. I forget, but some 99's have the T25 and some the GT17, I just don't remember which is which because I don't own one. The way to verify is if the Direct Ignition Cassette (DIC) on your engine is red or black. Another indication is if the inlet pipe to your intake manifold is black and plastic or aluminum.

First off, tell her personally that I said she is awesome for wanting to liven up her Saab. It sounds like what you may want to do for her is a stage 1-3 tune. Stage 1 and 2 are pretty modest bumps in power that require little hardware changes, preferably a full 3" exhaust or at least a downpipe, an intake, and the tune. Stage 3 is a gain of about 90hp over stock and that requires the full exhaust, intake, an uprated intercooler, and the tune. The stock clutch may or may not last for long after you've done this.

That should be enough to get you started. The search function on this forum has been down for awhile but you can still search whatever you need using Google, just type your keyword + saabcentral. Another useful website is www.ericsaabsite.com , if it still works, and http://photo.platonoff.com/Auto/ .
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Old 8th October 2010
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i had this problem i have a 93 s 2.0 turbo and i found if you ring a local Auto part shop and give them your reg there data base will bring up your cars details ie engine number etc
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Old 8th October 2010
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Oh i see i see.. so I have a t7 car then. Which means the tune is gonna cost more.

is the DIC the actual engine cover or no? Because the cover has red on it (lol).

I'm thinking the stage 1 it's gonna be though; requires the least supporting mods, and is MORE than enough power to really make this car move. Hell, stock I think it scoots along DAMN fine.
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If it's red then it should be T5, like this one:



You can find the spark plugs below it.
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Old 8th October 2010
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1999 should have a trionic 5 engine management system and t25 turbo except for Viggens
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Old 8th October 2010
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Quote:
Originally Posted by lowbudgethero View Post
1999 should have a trionic 5 engine management system and t25 turbo except for Viggens
What he said.

If that direct ignition cassette is red it is definitely T5. Meaning you have a Garrett T25 turbo.
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  #10  
Old 8th October 2010
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I will caution that some people slap a black DI on a T5 because they either have one laying about, or are too cheap to buy a red one. Mine came with a black one and I put it right since I have a T5. This is somewhat common for people to do since the black one mostly works on the T5 (but you can never use a red one on a T7).
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  #11  
Old 9th October 2010
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Ok thanks a lot for the info guys; it's def t5 then. I'm already talking to John about a stage one tune hehe
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