Re: A/C Drag - Saab NG900 & OG9-3 Bulletin Board - Saabnet.com
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A/C takes about 8 hp from the car. A/C drag is most noticeable at low throttle settings and low rpm - coming off idle, low rpm. The engine has the least horsepower at that point, so 8 hp is a lot. At full boost, you've got 170 hp or more, so the 8 hp is not much of an issue. But most of the time we drive around at low throttle settings, with the tach below 3K rpm. The turbo hasn't really kicked in, and the engine is producing maybe 50-60 horsepower. At those settings, 8 hp is 12%, and quite noticeable.
I'm pretty sure the engine control system kicks the A/C off under WOT (Wide Open Throttle) conditions. If you know you'll want more engine flexibility, just turn the A/C off - on non ACC cars, it means hitting the snowflake button.
posted by 192.249....
Posts in this Thread:
- A/C Drag, Tom, Wed, 14 Jul 2004 08:30:45
- Re: A/C Drag, Ari
, Wed, 14 Jul 2004 12:49:56 <-- Viewing This Message - I agree..., Yak, Wed, 14 Jul 2004 10:46:39
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