Brand of Gasoline

[John Lagnese]

Exactly!

-----Original Message-----
From: quattro-bounces at audifans.com [mailto:quattro-bounces at audifans.com] On
Behalf Of Jeremiah Curry
Sent: Tuesday, September 18, 2012 7:02 PM
To: 'Jeff Waterstreet'; quattro at audifans.com
Subject: RE: Brand of Gasoline

I am not expert, but isn't it feasible that with low octane gas in the tank
you go WOT, maybe to merge on the freeway, leading to detonation.  The
computer decides to retard timing.  Then the whole time you are on the
freeway the timing is retarded, leading to less efficient combustion.
Whereas if higher octane fuel had been used, that would not have happened?
My understanding is that the decision to retard timing will stay in affect
for some time.

I am a convert to premium in vehicles that require it (my Allroad, MR2
turbo, and Triumph TR3) after having trouble with my 30v Passat and not
using premium.  However I agree it won't help on engines that don't need it
(my 80 series Landcruiser)

Jeremiah

-----Original Message-----
From: quattro-bounces at audifans.com [mailto:quattro-bounces at audifans.com] On
Behalf Of Jeff Waterstreet
Sent: Tuesday, September 18, 2012 4:17 PM
To: quattro at audifans.com
Subject: RE: Brand of Gasoline

This discussion reminds me why the snake oil sellers and "magical magnetic
fuel savers" find people to buy their stuff.    Most people don't know how
to properly monitor their fuel usage, which is evident by many responses to
this topic.  I especially like those that say "my car just feels peppier"
when they run premium.    Two of my 8 vehicles require premium (one is a
2001 A6Q 2.7T), and there is no difference in mileage between regular and
premium, unless driven very hard. (like towing a boat, with my other
"premium" eating vehicle, a Toyota Landcruiser)

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