Do Viggen's have overboost function like 9-5 Aero's do? - The Saab Link Forums

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Old 12-18-2004, 07:37 AM   #1
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Do Viggen's have overboost function like 9-5 Aero's do?

Do the Viggens have the overboost funtion as the 9-5 Aero's do? If so, did saab document it anywhere for the Viggens?

Thanks!! Jason
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Old 12-18-2004, 01:06 PM   #2
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Most probably, I can´t say 100% sure, but as it´s identical to the Aero, it should have that too. Although, in Trionic 7 engines, there´s no "overboost". What happens is that the ECU allows the requested torque to be somewhat higher during a short period (30 sec), so the absolute boost pressure doesn´t have to be higher than normal, it all depends on outside conditions, but you probably already knew that. SAAB called the function "overboost" but it has little to do with the actual manifold pressure so checking with a boost gauge is hard to do.
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Old 12-19-2004, 09:42 AM   #3
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It doesn't.....
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1/8mile = 8,807sec @ 87,1mph
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