This is a false conception about high octance/  Higher octane just means
that the fuel is harder to ignite.   Only high temp and or high compression
engines benefit at all from high octance.
----- Original Message -----
From: "Malcolm Stebbins" <Malcolm.Stebbins@MSVU.CA>
To: <vanagon@GERRY.VANAGON.COM>
Sent: Thursday, October 03, 2002 9:27 AM
Subject: Re: what's the best kind of gasoline?

> I dare not post anything w/o first doing an archive search :-)))
>
>  I did find that Joel Walker posted on this topic back on 17 Sep 94!  (
> http://gerry.vanagon.com/cgi-
> bin/wa.exe?A2=ind9409&L=vanagon&P=R17458 )
>
> I then did a google.com search related to this topic as I was trying to
> find backing for what my mechanic tells me:  Premium gas is 'better' in
> that one can go farther on a tank of premium than on a tank of regular
> and that one should be looking at costs per kilometre/mile rather than
> cost/litre (gallon).  He also suggests that since premium burns more
> slowly (I'll assume that this is correct) that there is more of 'push' on
> the piston and less of a 'slap' therefore being easier on the engine.
>
> So what did I find on Google?  Nothing.  I tried AAA and CAA too:
> nothing.  Can anyone speak to this issue?  Malcolm