Date: Sun, 28 Oct 2001 20:30:54 GMT From: "Richard G" <rgrandwinopsamnline.net> Subject: Re: Which grade of fuel for 98 900SE Turbo?
I test drove a 98 900S and the manual stated 87 octane. "Arne Adli" <adli+nnopsamlid.ed.ntnu.no> wrote in message news:s0nbsiuk094.fsfnopsamtel.no... > Just Bob <uctraingnopsamanet.com> writes: > > > On Fri, 26 Oct 2001 02:36:38 GMT, "Harry Davis" > > <harryedavisnopsamediaone.net> wrote: > > > > >I don't know about the NG900's but in our 3 9000's and my wife's 9-3, we > > >found that the mid-range worked the best. > > > > An NG turbo is supposed to run on premium. > > The NG Turbo is made to run on on a broad specter of octane. Since it > has knock-detection, it easily adapts to the fuel grade. Running on > Normal is no problem > > > If you use lower grade, it > > may knock under acceleration. When that happens, the engine will > > retard the timing to stop the knock so you get worse performance. > > You will compensate by opening the throttle more and using more > > gas as a result. > > If you get knock there is something wrong with the engine, the ECU will > adapt to the fuel grade before knocking occures. > > The perfomance will of course be better with higher grade fuel. > > -- > Arne Adli > '96 Saab 900 SE Turbo
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