Date: Mon, 21 Jun 1999 13:13:34 -0400
From: Nathan Work <>
Subject: Re: SV: Saab Turbocharger durability

i've never understood this discussion. it's age old, but the question remains: Why wouldn't you spend the extra $40/year for Mobil 1? Tell me, how much does your garage cost to protect the outside of your car? And yet you won't protect the inside for $40? Nathan Kenneth Strömberg wrote: > A good fossil oil doesnt to the job worse than syntethic oil my 9000 2.3T > has now over 420000km on the same turbo and i have never used any syntethic > oil i dont use my car in the dessert or in the arctics so there is no need > to pay more than you have to.(The fossil oil lubricates better) > /K > Robert L. Davis <> skrev i > > > > ...also we don't use that synthetic crap.... > > > > A good synthetic oil will out-perform fossil oil in every functional > category. > > It resists oxidation better at high temperatures, flows better at low > > temperatures, has a higher flash point, retains viscosity longer--among > many > > other attributes. The first is especially important if you own a turbo > car, as > > the turbo bearing can reach very high temperatures which will coke a > fossil > > oil. That alone is enough reason to use it in a turbo car. > > > > In a normally aspirated car, a regimen like your's is probably good > enough, > > though you could extend your change intervals to 5000 miles or more by > using a > > good quality synthetic since it oxidizes more slowly. By doing so you > could > > almost justify the extra price for that reason alone. > > > >

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