It absolutely does make sense.   High Octane fuels have more
additives in them, like fuel injection cleaner..etc.
                                                            Eric

Tom Young wrote:

> Frankly, that sort of advice makes absolutely no sense to me.  Higher octane
> allows a car to run at a higher compression ratio without pinging.  But, if
> the vehicle isn't pinging, what's the point of running High Octane, and what
> could that possibly do to help a vehicle with a high idle CO pass the smog
> test?  What's the logic here?
> ---------------------------------------------------------------
> Tom Young                       '81 Vanagon
> Lafayette, CA 94549         '82 Westfalia
> ---------------------------------------------------------------
>
> ----- Original Message -----
> From: "Richard Brassaw" <sendmeanemail@EARTHLINK.NET>
> To: <vanagon@GERRY.VANAGON.COM>
> Sent: Monday, April 14, 2003 9:14 PM
> Subject: Re: 82 Failed CA Smog Test- help!
>
> > I've had several mechanics tell me to run a couple of tanks of High
> > Octane before getting smoged.  Also, when was the last time a new Cat
> > was put on--it might be time.
>
> > -----Original Message-----
> > From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf
> > Of S.Harrison
> > Sent: Monday, April 14, 2003 9:03 PM
> > To: vanagon@GERRY.VANAGON.COM
> > Subject: 82 Failed CA Smog Test- help!
> >
> > I passed all aspects of the test but the CO% at idle -- I was at 5.56%,
> > with
> > a maximum allowable of 2.00. The CO% at 2500 RPM measurement was fine,
> > about
> > 0.62%.