Date:         Fri, 28 Dec 2001 21:28:56 -0800
Reply-To:     Chris Holtz <holtzwagen@HOTMAIL.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Chris Holtz <holtzwagen@HOTMAIL.COM>
Subject:      Re: higher octane needs
Content-Type: text/plain; format=flowed

Forgive me if I missed this in an earlier post, but my bus has a stock decal
at the gas cap that says to use 91 Octane gas.
Am I wasting my money?
Chris Holtz
85 Westy - "Gromit"


>From: Paul Mayfield <paulmayfield@EARTHLINK.NET>
>Reply-To: Paul Mayfield <paulmayfield@EARTHLINK.NET>
>To: vanagon@GERRY.VANAGON.COM
>Subject: Re: higher octane needs
>Date: Fri, 28 Dec 2001 19:47:43 +0000
>
>Please correct me if any of this is untrue/incorrect!
>
>Bentley states on the back cover:
>-----------------------------
>Gasoline octane requirement
>US Cost of Living rating (CLC)...87
>CLC rating method. (RON+MON)/2 = 87
>MON = Motor Octane Number
>RON = Research Octane Number
>-----------------------------
>As far as Vanagon engines are concerned,
>regular 87 octane gas has more energy than high octane
>gas and produces more power -in a stock engine-
>because it is not diluted with additives that produce
>much less energy than raw gas.
>
>The only difference between High octane and Regular
>are additives: anti-knock and cleaning agents.
>
>As far as I know (and I may be wrong on this) Vanagon
>engines with digifant do not have the capability to make
>use of high octane gas. I've heard some high performance
>high compression engines have preignition sensors
>that adjust to lower power levels when 87 octane is used.
>(porsche,corvette?)
>
>I have a friend who owns a Chevron station.
>He has a stable of very expensive collector cars- all
>paid for with profits from overpriced premium gas.
>Suckers, he calls em.  30 cents a gallon suckers.
>
>Flamesuit on.
>
>=========================================


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