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Performance Modifications for the 9-5 This forum contains PERFORMANCE related Q&A's for the 9-5. This may also include suspension.

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Old 09-15-2010, 06:28 PM   #1
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Question I know the anwser to already. Please chime in.

So. I never thought of upgrading my 1999 9-5 but after looking at specs it seems like it might have space to move up from stock to something slightly more power full. a 1999 9-5 stock pushes 170 hp and 210 Ft.lb, but in 2002 it suddenly jumps up 15 hp? And seemingly as the car is a 2.3 it would make sense that it could handle 200hp...but what about it in reality?
Severl questions I would like answered.

1) What can this engines handle stock with just an intake (how much do those perfomance intakes and a larger snorkle add?) and a boost bump?

2) Maximum Stock boost is 5.8psi, but what if its bumped up to 8psi? or 10psi? how much more power will it develop?

3) With the boost bumped up to make the car be at 200hp and 230ftlb how reliable does it become? How strong is the 5 speed manual transmission and the drive train? At what power point does the become unreliable? (I always remeber c900 post 89 where anything above stock killed the transmissions )

4) Finaly is installing a bigger oil cooler a good idea and will it help prevent the dreaded sludge build up (already have PCV update #6) as well help the car be happier?

5) if u had a choice of 3 gages wich ones do u think are most important to have in order to monitor your engine's health? ( I was thinking boost gage, oil pressure gage and oil temp gage three gages 9-5 is missing )


Thanks all.

P.S The only thing I will probably do to this car is the bigger oilcooler and newer snorkle. What are some good brands for the oil cooler and what size of oil cooler should I get?
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Old 09-15-2010, 09:03 PM   #2
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I dont think the oil cooler is needed, just change your oil at 3K. This engine can handle a bit more then I think you are looking to add. 300 hp the pistons are at there breaking point. So if you do the right hardware. IE Intercooler, Exhaust, FPR with a tune you be in the 260 to 300 range. What turbo is in your car? TDO4 or GT17?
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Old 09-15-2010, 09:44 PM   #3
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Err. I was looking to just get a solid 200hp and not more as after that I would be concerned with my car starting eating parts faster then my pocket can support, as well as efficiency (I enjoy that 30mpg on freeways =P ) I guess my question is it even worth bumping it up to 200hp with just an ECU tune up or is the 30hp gain not worth it considering the amount of extra wear and tear the car is going to go through? ( i was going to get an extra ECU and tune it so I can have the spare for smog tests.) And if I go for 200hp what would I need to upgrade?
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Old 09-16-2010, 03:03 AM   #4
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Adding more power does NOT mean you sacrifice fuel economy. This it the joy of the turbo - the power is there when you need it. Yes, a simple ECU tune will gain you and your GT17 all the power you want - 200hp. HOWEVER - I recommend this tune:
9-5 LPT BioPower E85 Tune 230hp - you can run either fuel you want whenever you want at w/e percentage you want - and the car is 230hp - and it can get out of it's own way. It's effectively a stage 1.5 tune. These can be bought from a number of tuners, but I'll recommend Epartsland www.epartsland.com (DeLorean & PaulH) or Nick @ GS.

Now - with any tune or even just a stock 9-5 I recommend upgrading your intake snorkel from the old style to the new larger style. It's a mod which is under $30 and you can complete in about 15-20 minutes with noticeable spool-up time increase.
Part Number: 12846127 (nick @ GS sell them http://www.genuinesaab.com/catalog/p...518990d61c1942)
In addition to this a good air filter is always a plus - nick also sells those.

Overall - your stock motor can handle much more then you are asking of it - and reliability is NOT effected noticably at all. These cars were built for boost/power - you just need to help it get there sometimes.
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Old 09-16-2010, 03:10 AM   #5
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Solid 200 HP...cheapest way and the most reliable

1.) Buy a TD04-15t used 250-300 USD
2.) Buy the red injectors 100 USD
3.) Buy ECU from 04 Saab 9-5 75 USD

475 dollars and you have a clean running 220 HP car with room to grow...

2006 Aero ECU-you can use these right ? 260HP
Engine Computer
Saab 9 5 ID 5387204 2.3L,EFI,ATOD,FWD A 080171 $125 A-1 Auto Salvage USA-AR(West-Memphis) Request_Quote 1-800-240-3795 Request_Insurance_Quote
2006

Last edited by cking1975; 09-16-2010 at 03:17 AM.
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Old 09-16-2010, 03:23 AM   #6
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Originally Posted by cking1975 View Post
Solid 200 HP...cheapest way and the most reliable

1.) Buy a TD04-15t used 250-300 USD
2.) Buy the red injectors 100 USD
3.) Buy ECU from 04 Saab 9-5 75 USD

475 dollars and you have a clean running 220 HP car with room to grow...

2006 Aero ECU-you can use these right ? 260HP
Engine Computer
Saab 9 5 ID 5387204 2.3L,EFI,ATOD,FWD A 080171 $125 A-1 Auto Salvage USA-AR(West-Memphis) Request_Quote 1-800-240-3795 Request_Insurance_Quote
2006
That is by NO way the cheapest or the fastest way.... Tune T7 E85 ECU = $250 tops from epartsland (with a core mind you)
Intake Pipe is about $30...

For under $300 you are at 230HP and it's quick to install everything - less then 2 hours TOTAL time and the rest you can put towards other mods - like wheels and tires and suspension goodies. Or brakes & exhaust.

And NO a 2006 ECU will not work. In fact just replacing any ECU usually requires TECH 2 just to program it to the car (aside with buying a Tuned ECU which is done properly) Stop supplying bad ideas
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Old 09-16-2010, 03:36 AM   #7
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Well then he should buy the Tech 2 for 3000.00 and he will be all set...He has the answer anyway, why I am making suggestions

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Old 09-16-2010, 04:15 AM   #8
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Quote:
Originally Posted by soviet911 View Post
Err. I was looking to just get a solid 200hp and not more as after that I would be concerned with my car starting eating parts faster then my pocket can support, as well as efficiency (I enjoy that 30mpg on freeways =P ) I guess my question is it even worth bumping it up to 200hp with just an ECU tune up or is the 30hp gain not worth it considering the amount of extra wear and tear the car is going to go through? ( i was going to get an extra ECU and tune it so I can have the spare for smog tests.) And if I go for 200hp what would I need to upgrade?
For the goals you have, you best bet is an Aero tune with a TD04 turbo and the Aero cobra. I have an Aero, the specs are 230 hp and 258 lb-ft. However, that's on a bad day, most days it has 20-30 more horses than that. You should know that the engine in a base model 9-5 is the same as the higher output Aero model. The only difference is the exhaust valves, the aero has ones made out of a fancy alloy where as the base model has regular steel.

Actually no, there's a tune that's probably exactly what you want. A friend of mine runs it, it's made by Hirsch I believe, about 200 horse and you don't have to change any parts. Well you''ll have to change the pipe that feeds the turbo, the '99 had a tiny pipe there. A larger late model pipe will do the trick. Nice and torquey, but it dies at the top end due to the tiny non-Aero turbo.
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Old 09-16-2010, 04:54 AM   #9
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Adding more power does NOT mean you sacrifice fuel economy. This it the joy of the turbo - the power is there when you need it.
But with the extra power you will most likely be putting the pedal to the floor more often. I know I do. lol
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Old 09-16-2010, 05:01 AM   #10
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But with the extra power you will most likely be putting the pedal to the floor more often. I know I do. lol
But you understand that however, my fiance doesn't get it - it's just my fault because it' has a tuned ECU that get's worse fuel economy, has nothing to do with the fact she drive's it like an animal and passes people like crazy. FYI - ever see a Silver 9-5 Wagon with PA tags and a saablink decal on the rear window - pull over and get out of her way, she isn't afraid to trade paint! lol Poor car But when I offer to put it back to stock I get told no, don't.... This is why I am not putting the TD04 on now... I'll wait til the GT17 fails - then she can have 250hp and really tear the tires up. (that the other complaint - the TCS comes on too easy...)
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Old 09-16-2010, 05:12 AM   #11
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When I fist met my wife she had a 1999 BMW 540i we were living in CA at the time...she picked my up to go to Lake Tahoe (first time in the car with her) she enter the freeway I-5 and we were doing 100MPH in the fast lane...I said ummm...dont you think this is a little fast...she looked at me like I was crazy ! Of course 7 years and two kids later she know longer drives like that
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Old 09-16-2010, 05:51 AM   #12
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But you understand that however, my fiance doesn't get it - it's just my fault because it' has a tuned ECU that get's worse fuel economy, has nothing to do with the fact she drive's it like an animal and passes people like crazy. FYI - ever see a Silver 9-5 Wagon with PA tags and a saablink decal on the rear window - pull over and get out of her way, she isn't afraid to trade paint! lol Poor car But when I offer to put it back to stock I get told no, don't.... This is why I am not putting the TD04 on now... I'll wait til the GT17 fails - then she can have 250hp and really tear the tires up. (that the other complaint - the TCS comes on too easy...)
If i see it I definitely will look out. I know you can keep fuel economy the same. I "can" get upper 30s out of my integra but whats the fun of having all that power and not use it. So I get around fifteen mpg in it and twenty mpg in the Aero.

As far as TCS, are there any ways to put a switch in to trick it to stay off? I did this in my old SVT Focus but the ECUs in these cars seem to be "too" intelligent and tricking it might be more difficult. I love the tcs in winter i can just put it to the floor and climb straight up the long hill I live at the bottom of passing all the other FWDs as they slide backwards. but in the summer when I am doing my "spirited" driving I would like it to stay off.

Not trying to hijack the this thread.
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Old 09-16-2010, 05:55 AM   #13
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Quote:
Originally Posted by frogg5872 View Post

As far as TCS, are there any ways to put a switch in to trick it to stay off? I did this in my old SVT Focus but the ECUs in these cars seem to be "too" intelligent and tricking it might be more difficult. I love the tcs in winter i can just put it to the floor and climb straight up the long hill I live at the bottom of passing all the other FWDs as they slide backwards. but in the summer when I am doing my "spirited" driving I would like it to stay off.

Not trying to hijack the this thread.
YES - they have a switch on the dash "TCS" which is how you turn it off. Cars with TCS have the switch - if there is no TCS then there is no switch. 2001 was the first year FYI.
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Old 09-16-2010, 05:58 AM   #14
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@Burnside42. Thanks I will defenetly plan on getting the snorkle, what does the E85 tune in-clude and how much does it cost? I assume I need to custom order it with those guy's. If its just an ECU tune I know the ECUproject has a E85 map that I could flash on to an ECU but if it more then just an ECU tune then I will buy the kit. Although I would be more comfortuble to start witha 200hp tune. Now just to become a not so broke college student to pick up an extra ECU and bdm.
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Old 09-16-2010, 06:45 AM   #15
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the fellas @ epartsland use the map from ECUProject - so if you are able to do it yourself then by all means go for it! Yes - it's just a flash and go tune - make sure you pick the one for an automatic with GT17 (LPT) and you will be impressed. It also give you the option for SID controls to view live engine data - which is neat, but two cons are it's Swedish short hand, and you must hit the clear button everytime you start. Otherwise it's worth having (It in ours). Cost to have epartsland make you a tune is something you would have to contact them about - I know they are one of the least expensive routes and their quality it top notch. Customer Service is excellent as well.

I too have spare ECU's and the BDM and a T7 connector - but have not taken ANY time to sit down with my lap top and fiddle with it (especially since I have epartsland @ my back door and are friends)
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Old 09-16-2010, 06:49 AM   #16
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Quote:
Originally Posted by BurnsSide42 View Post
(that the other complaint - the TCS comes on too easy...)
Sounds like a suspension problem. I recommend a road holding kit with SAS sways. Recently got those sways and they're fantastic, much less rolly polly.

Quote:
Originally Posted by frogg5872 View Post
As far as TCS, are there any ways to put a switch in to trick it to stay off? I did this in my old SVT Focus but the ECUs in these cars seem to be "too" intelligent and tricking it might be more difficult. I love the tcs in winter i can just put it to the floor and climb straight up the long hill I live at the bottom of passing all the other FWDs as they slide backwards. but in the summer when I am doing my "spirited" driving I would like it to stay off.
I've been driving my Aero for 5+ years. If the TCS light is coming on in the dry you're doing it wrong. Seriously wrong, you don't want to spin that open diff. They're the weakest bit of the trans, spin them too much or too hard and they will just explode.
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Old 09-16-2010, 06:52 AM   #17
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Cost to have epartsland make you a tune is something you would have to contact them about - I know they are one of the least expensive routes and their quality it top notch. Customer Service is excellent as well.
The "friends" I mentioned earlier are the Epartsland guys. Good guys who know what they're doing.
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Old 09-16-2010, 07:13 AM   #18
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@burnside42. Awesome. Now to read about what kind of data I get on SID. IF i can get my oil pressure and boost I can pick up an ECU and BDM before picking up the gages. (My priority list is to know how my car is doing before I try remap it)

Do you know what power it will out put on 91 octane as there is not many E85 stations around here and I assume its not gonna be 230 ( hopefully around 200) wich will make me happy =) Thanks alot.

looks pretty intresting.
http://www.youtube.com/watch?v=ZcsC38mIrVY

Alot of information provided from it, just not in the format Im comfortable to monitor my engine with. gages first, snorkle and ecu second.

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Old 09-16-2010, 07:15 AM   #19
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Sounds like a suspension problem. I recommend a road holding kit with SAS sways. Recently got those sways and they're fantastic, much less rolly polly.



I've been driving my Aero for 5+ years. If the TCS light is coming on in the dry you're doing it wrong. Seriously wrong, you don't want to spin that open diff. They're the weakest bit of the trans, spin them too much or too hard and they will just explode.
nah - there are two really steep hills she has to come to stops on when coming home from work 4 days a week - then when she goes I imagine she mashes the pedal b/c I can start from the same spots with little to no wheel spin and get going fine....

I'm not worried about the diff... I romp the hell out of my auto 9000 and manually shift it w/e I drive it - I can't break it for my life and I've been trying to for 4 years.... I have a 5 speed swap lined up for it, but I'd rather wreck the auto to make it worth doing. The 9-5 is not going to have any diff failures with a 230hp tune and 17" Wheels with good decent summer tread.

Quote:
Originally Posted by soviet911 View Post
@burnside42. Awesome. Now to read about what kind of data I get on SID. IF i can get my oil pressure and boost I can pick up an ECU and BDM before picking up the gages. (My priority list is to know how my car is doing before I try remap it)

Do you know what power it will out put on 91 octane as there is not many E85 stations around here and I assume its not gonna be 230 ( hopefully around 200) wich will make me happy =) Thanks alot.

and by short hand do you mean this?
http://en.wikipedia.org/wiki/Melin_Shorthand
We run 89 oct. usually through it no problems - sure the 93 is better, but it costs more and it's not an AERO - it's still a LPT

Power is the same E85/Gas - 230 is 230 - I'm sure running a lesser octaine takes a little away from it - but it's plenty quick on 89 IMHO.

As for the "short hand" - not like that lol
Example is: Meng = Torque
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Old 09-16-2010, 07:42 AM   #20
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I see. Well hopefully my acount is gonna be soon verified on ecu project so I can start searching to find out some info on the maps. After I get the gages I will start looking into this more. Thanks.
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