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1999 Saab 9-5 LPT manual
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Discussion Starter #1
I'm sure this has been covered before but I decided to moddify my 1999 Saab 9-5 lpt. First step was to swap my stock t25 turbo to the Aero TDO4 15t turbo. Stock with a boost gauge I'd see only 4-5 psi. After only swapping turbo I see 16 psi wot. I've replaced boost vaccum lines, boost controller. The car runs smoothly but it's obvious I need a Tune I'd say. Any input is much appreciated because I'm no mechanic and I don't want to hurt my engine.
 

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1999 Saab 9-5 LPT manual
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11 Posts
Discussion Starter #3
Ok thanks! I have the aero injectors and talk with someone at brew city boost. I'll swap injectors soon. I may swap cams and stuff at some point. But for now I'll looking at "aero" stage 2 with 275hp and 310 ftlbs. After that full 3 inch exhaust and 3.5 fpr with big front mount intercooler. I may go do88 not sure. I really appreciate the quick response. :)
 

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Ok thanks! I have the aero injectors and talk with someone at brew city boost. I'll swap injectors soon. I may swap cams and stuff at some point. But for now I'll looking at "aero" stage 2 with 275hp and 310 ftlbs. After that full 3 inch exhaust and 3.5 fpr with big front mount intercooler. I may go do88 not sure. I really appreciate the quick response. :)
I would stay away from Brew City Boost and locate a local tuner.
I found Genuine Saab 3" down pipe a great addition. I have one on each of my Saabs.
 

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1999 Saab 9-5 LPT manual
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11 Posts
Discussion Starter #5
I appreciate your response. However due to budget and current goals I'm sticking with my current plan although the T5 cam swap sounds very interesting. I have found a local muffler shop who can fab up a full 3inch when I'm ready.
 

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1999 Saab 9-5 LPT manual
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Discussion Starter #7
All I know is will help the higher rpm and boost when your around 350+ hp from what others have stated. Claiming 30+ hp sounds interesting but going with bolt ons for stage 1-3 isn't needed. Even stage 4. So if you have the budget I'd say go with T5 cams imo.
 

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2003 9-5 Linear Wagon
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90 Posts
My understanding was that the piston rings can only handle so much power until they start passing combustion gases into the oil, is that consistent with your experience?
 
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