Date: Fri, 21 Jul 2006 09:14:29 +0100 From: "DervMan" <thedervmannospaml.com> Subject: Re: gasoline grade - how important?
"leon" <laldynospamhlink.net> wrote in message news:XWXvg.2623$bP5.1207nospamread1.news.pas.earthlink.net... > hi all > > I have 03 9-3 linear and absolutely love it, I always used plus or super > grade gas in it, however lately due to crazy gas prices in US, I'm > considering to switch to regular gas. my question is - will it affect > overall performance or pick up torque for this car? (2.0 liter light > pressure turbo) It may, perhaps more so in hot weather... but it may not! :-) Depending on the machine, you may notice poorer fuel consumption but no difference in running, or the same fuel consumption but it feels materially slower. If there's a detrimental impact on performance, this may only bother you if you often chase the power through the gears. If you spend a significant period of time cruising on reasonably level freeway, you'll only notice it every so often and can live with it. > The manual says 87 and up is ok for linear but still wanted > to know from real life experience. Its my first Saab and Id love to enjoy > it > for years to come. In my experience - of a number of different machines - running them on the wrong octane rated fuel does two things. One, they cough, splutter and feel appalling. Two, they feel a little bit gutless but run okay. My compromise when trying a car on a lower grade of fuel is to run it low, put in around a quarter tank and try it. If it starts running like a sack of lumpy custard then you can brim it with super, thus diluting the lower octane fuel. If it seems okay, continue running it until you need more fuel, then do the same again. However, if the handbook says it'll work on 87, then you can happily brim it without causing damage. -- The DervMan www.dervman.com