For 1997, Saab introduced a turbocharged version called the B308 for their 9-5 model. The engine produced 200 hp (149 kW) at 5000 rpm and 229 lb·ft (310 N·m) of torque at 2500-4000 rpm. The engine was unique in that it used asymmetrical turbocharging; with the turbocharger driven by the exhaust gases from only one bank of cylinders. A charge pressure of 3.6 PSI (0.25 bar) was produced using a Garrett GT15 turbo. The engine was equipped with a special version of Saab Direct Ignition and utilized the Trionic T7 engine management system.[WIKI]
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