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Posted by MI-Roger [Email] (#882) [Profile/Gallery] (more from MI-Roger) on Thu, 24 Sep 2015 16:22:12 Share Post by Email
In Reply to: Re: Your friend is correct., Td04, Thu, 24 Sep 2015 14:50:45
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Below is a portion of the 2001 Saab 9-5 Press Release. 1.4 Bar or 20psig boost pressure for the Areo engine too.

"9-5 Aero's 2.3L High-Output Turbo Engine

The 9-5 Aero features a similar 2.3L high-output turbocharged engine as the 9-3 Viggen. Again, Saab engineers prioritized the engine's torque output rather than horsepower.

The power output of the Saab 9-5 Aero's engine is primarily attributable to the large, variable boost pressure turbocharger, which produces a maximum boost pressure of 1.4 bar, or 20 psi. This allows the 9-5 Aero to maintain maximum power and torque through nearly all driving conditions - including altitudes approaching 10,000 feet. Saab engineers have designed the engine to withstand the additional stress and heat generated from such high boost levels. Like all Saab turbochargers since 1988, the Aero's turbo is both oil and water-cooled. In addition, the engine features reinforced alloy pistons that benefit from oil cooling jets at the base of the block that spray oil at the underside of each piston. The engine also features sturdier connecting rods, nitrided gudgeon pins and strengthened intake valves. To handle the heat, exhaust valves are made of Nimonic alloy - a high nickel content, heat-resistant alloy used in aircraft components subjected to high pressure and temperature, such as the exhaust nozzles in jet engines. 
_______________________________________
Saabs owned:
2008 9-5 Aero Sedan, sold at 227K miles
2006 9-3SC 2.0T - Wife's daily driver
2000 Viggen Convertible - Sold May, 2022
1964 Quantum IV Formula Car - Retirement project
2000 9-5lpt Sedan, sold at 318K miles
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