From model description on TSN - Saab 9-5 Bulletin Board - Saabnet.com
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From model description on TSN
Posted by Marcin [Email] (more from Marcin) on Fri, 19 Oct 2007 12:32:57
In Reply to: Re: 220hp vs 250hp..., jimbobjoe, Fri, 19 Oct 2007 11:55:15
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"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."
This was 2001, but I think it may still be like this...
Just a thought
2000 SE V6 Wagon 97K
posted by 128.143.25...
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