On 5/16/05 12:07 PM, "bueses" <bueses@EARTHLINK.NET> wrote:

>> 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
>
>
Ran it all the time in colorado hills.  Even my current subie engine only
uses regular.

jimt