Re: 20 second 272 lb ft overboost mode - Saab 9-5 Bulletin Board - Saabnet.com
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Re: 20 second 272 lb ft overboost mode
Posted by Dean [Email] (more from Dean) on Sat, 26 Mar 2005 02:54:23
In Reply to: 20 second 272 lb ft overboost mode, Montreux, Fri, 25 Mar 2005 22:08:18
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A few OEM turbo systems allow for higher boost for a short duration to take advantage that the short term heat load from this does not require any changes to the system to tolerate. I think that Volvo was the first to do this, with the 850. With the automatics, often the power levels are reduced a bit to be on the conservative side to not over stress the tranny.
Saab rated the 2.3 Aero engine at 230HP, with overboost to 250. After a while, they made the marketing change to simple rate the engine at 250.
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