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The boost controller with anticipator is OK, but is certainly not as capable as a reprogrammed ECU in producing consistant power.
My 1998 900SET has been dyno tested with 193 wheel hp at 16 PSI of boost, and yes it has an automatic transmission.
As you try to reach higher boost prressures there are some weak areas that need to be addressed. You will want a upgraded boost pressure by-pass/diverter valve, new (possibly even thick walled silicone) vacuum tubing. Higher power means more stress on the engne and transmission. So use premium synthetic oil and transmission fluid and change them often. Personally I use Mobil 1 0W-40 oil and oil filters, as well as Mobil 1 ATF.
Rob Mustard (aka REM in Seattle)
1998 Saab 900SET; Silver metallic; 5-door; Automatic; 92,000 miles
UPGRADES
ENGINE (dyno tested at 193 hp and 215 lb-ft at the wheels; or approx. 230 hp and 250 lb-ft at the crankshaft)
-3” inlet tube to factory airbox with ITG performance foam air filter.
-Smoothed/ported throttle body transition casting and removed turbocharger outlet tube ‘silencer’.
-Saab stainless steel sport exhaust with added center resonator.
-Forge MotorSport FMCL007P piston type boost pressure by-pass/diverter valve.
-SpeedParts ‘Stage 2’ Engine Control Unit (ECU).
SUSPENSION
-205/55-WR16 Pirelli PZero Nero M+S tires.
-Swedish Auto Specialties 22mm (7/8”) rear anti-sway bar.
-Koni Sport adjustable front struts and rear shock absorbers.
-Abbott Racing steering rack brace and polyurethane tracking control arm bushings.
-MP Performance sub-frame brace.
LIGHTING
-European E-code headlights with Philips ‘VisionPlus’ halogen 60/55 watt H4 bulbs.
AUDIO
-Infinity Kappa speakers – 3.5” 2-way speakers in the dash, 6”x9” 3-way speakers in the rear parcel shelf, and 6.5” mid-bass speakers in the front doors.
-Dynamat ‘Super’ & Dynamat ‘Premium’ sound deadening material in doors and rear cargo area.
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