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In message <email@example.com> AMD2539@aol.com writes:
>>> I am running nothing but supreme fuel (92).
>>> This has been going on for about 6 months.
>> Design is 95/98 octane.
> It depends of course on with method is used to calculate Octane. 83 US spec
> cars design calls for 91 RON or 87 CLC. To get 95/98 octane by the, I
> believe more common in the US method, R+M/2, you'll have to go to the local
True. At least one UK member runs 50% AVGAS, which gives him a minor revenue
The European incarnation of the ur-quattro engine at that point is designed to
run on 95 RON - it sayeth so in the microfiche. The filler flap, however, says
'98 RON'. Well, you can't get that here now, even at exorbitant prices. The
current premium 4-star (leaded, still) fuel says '97' on the pump handle.
We _can_ get 'Super Premium Unleaded' at 98 RON - but it's _HIDEOUSLY_
Committee Member, UK Audi [ur-]quattro Owners Club