Date: 09 Sep 2004 16:33:18 GMT
From: Gary Fritz <>
Subject: Re: Turbo in SAAB 9-5

"Starman" <> wrote: >> The original non-Aero turbo has advantages in daily driving as >> its smaller size reduces turbo lag (its smaller size makes it >> spin up quicker). The Aero turbo has advantages at high rpm as >> its larger size can provide more air flow that the non-Aero >> turbo. This is significant at top end power. > > Thanks for the info. I'll try the chip change first and see how > that goes. I'd suspect that would be your best bet. I have the Aero and I can assure you G–ran is exactly right when he says the larger Aero turbo takes a very long time to spin up. Once it does spin up, you have vast amounts of power, but that's long after you *wanted* the power. Unless you're running steady-state on a dyno, or climbing long hills, you will probably find quick-response power is much more important than high-rpm power. A chipped non-Aero, giving nearly as much rated HP without the huge turbo lag of the Aero, sounds like the best of both worlds to me. Gary

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