My brother in law who's in the gas refining business says that mostly all
grades of gas have the same cleaning additive package these days.

Mike

On 12/10/02 9:59 AM, "David Marshall" <vanagon@volkswagen.org> wrote:

> You are not dreaming - the stock 2.1 and 1.9L boxer motors will run fine on
> the 87 octane fuel if the timing is set to stock.  The only advantage to
> running 'premium' fuel in our vehicles is more additives for cleaning fuel
> injectors and the like.  Also the higher the octane the less potential
> energy the fuel has so you need to burn more to do the same work.  In all my
> years of running low compression ratio VWs I have always run 87 octane fuel
> with a bottle of 'gas line anti-freeze' dumped in when I change to oil to
> get any water that might be in the tank and a bottle of STP fuel injector
> cleaner to keep them spraying nice - so far, no problems...
>
> David Marshall
>
> Fast Forward Automotive Inc.
> 4356 Quesnel Hixon Road
> Quesnel BC Canada  V2J 6Z3
>
> http://www.fastforward.ca    mailto:sales@fastforward.ca
> Phone: (250) 992 7775        FAX: (250) 992 1160
>
> - Vanagon Accessories and Engine Conversions
> - Vanagon, Transporter and Iltis Sales and Importation
> - European Lighting for most Volkswagen models
>
> -----Original Message-----
> From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com]On Behalf
> Of Mike Miller
> Sent: December 10, 2002 7:38 AM
> To: vanagon@GERRY.VANAGON.COM
> Subject: Re: Water deliberately added to gasoline?
>
>
> I thought that van's used regular?  More octane doesn't mean better gas or
> better performance, at least unless you have an adaptive computer on your FI
> and knock sensors.  Or am I dreaming too?
>
> Mike
>
> On 12/10/02 2:40 AM, "prb" <prb@TELEVAR.COM> wrote:
>
>> Robert, I was travelling from northern WA to Portland.  This trip was the
>> first time I used less than the highest octane (about 92) available.  By
>> the time I got to Oregon I was starting on my 3rd full tank of 87 octane,
>> and from various places. While in Portland I started experiencing some
>> cutting out.  On the way back it got worse once, then calmed down.  Made
> it
>> home and topped up with 92 Chevron.  Had one more bad cut-out. Next tank
> 92
>> and "Heat".  No cut-out since.
>>
>> Was it the Octane? Was it the state of OR?  or the different stations?
>> I've done the trip many times before, but always with the 92.
>> Also, I haven't driven the van an awful lot since I got back, so it could
>> still give me grief again.  Just thought I'd throw this out, since you
>> mentioned OR and cutting-out.
>>
>> --Patrice
>
>
>