> On 5/15/05 9:13 PM, "Dan Krautkremer" <kd5ceu@YAHOO.COM> wrote:
>
>> Howdy again,
>>
>>    What octane fuel should I use? The label calls
>> for 91 octane. That was back in 86'. The fuel has
>> improved, right. Will I cause any damage by running 87
>> octane? Thanx again...
>>
>> Danno
>> Delaware Water Gap, PA
>> 89' Jetta (daily driver)
>> 86' Vanagon (family hauler)
>> 79' Rocco (availabel)
>>
>>
>>
>
> The label uses the european RON octane scale.  The gas pumps in the US
> reflect and average octane rating of RON and MON  or
> (R+M)/2 which is a lower number.  The same usually as whatever your pump is
> selling as regular gas.
>
> jimt

Am I interpreting this to mean that you can run 83-85 octane (regular) in a
1.9 at higher altitudes??

Tom Buese - run 91 octane now