Re: Fw: Exhaust

[John Courtney <dendrite@sbt.infi.net>]

United States.

No, I don't think the additive changes from season to season. This is an
interesting point, though.

John

Robert Myers wrote:

> What country, John?  93 octane here is calculated as the average of
> research octane and motor octane [(R+M)/2].  This gives a much lower value
> than if you just use one of them (I forget which is the higher reporting
> method used in Europe but this number might be more like 98 octane or even
> higher for the same "93" octane fuel we have here in the US.  93 (or 94 at
> a few places) is the highest octane we can routinely get (aside from
> aviation gasoline).
>
> Do you have fuel additives required (or not) by government which change
> from season to season?
>
> At 09:02 PM 9/13/98 -0500, you wrote:
> >Several of you have responded to my posting regarding the rotten egg smell
> >(which I suspected was secondary to a suphar product and a result of the
> >catalytic converter).  Uniformly you have all suggested that I change to a
> >higher octane or different station.  Here's the scoop regarding this . . .
> >
> >I do not use the same stations routinely.  I rely on Amoco, Marathon, and
> Sunoco
> >for my gas.  The Octane ratings used in my care are exclusively HIGHER than
> >93.   I have also used Chevron with Techron x 2 over the past 2K miles.
> >
> >Any new thoughts?
> >
> >Thanks.
> >
> >John
> >
> >Julio C Negron wrote:
> >
> >> I think you should consider first to chage your gasoline...because hight
> >> content of sulfur could be this kind of odor...!! I think that audi have
> >> some TBS but I don't have in hand...so try change your gasoline first
> before
> >> make any jugde about catalystic problem....
> >> -----Original Message-----
> >> From: John Courtney <dendrite@sbt.infi.net>
> >> To: quattro@coimbra.ans.net <quattro@coimbra.ans.net>
> >> Date: Sunday, September 13, 1998 11:42 AM
> >> Subject: Exhaust
> >>
> >> >I KNOW this has got to have been covered before . . .
> >> >
> >> >My 100CS (93, Automatic) smells a bit like rotten eggs when I stop the
> >> >car.  I suspect the catalytic converter.  Would I be so unlucky that
> >> >this symptom simply forbodes an early death for this converter, or is
> >> >this a common (albeit) noxious habit for this vehicle.
> >> >
> >> >John C
> >> >
> >> >
> >
> >
> >
> >
> >
> ___
>    Bob
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