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Old 05-20-2012, 01:55 PM   #4
ForumWars Winner!
Member#: 196948
Join Date: Dec 2008
Chapter/Region: TXIC
Location: Kyle, TX
2003 Forester


There is so much variation even station-to-station. One petroleum engineer put it to me, go to the station that is the busiest/most popular...the in-ground tanks are very prone to water contamination, and the stations that don't refill as often are the worst offenders. This worries me with 93-octane fuels in the Houston area, as it may sit for a very long time. I try to use Shell V-Power 93 only, and have found a few specific stations that are the least problematic. When racing the car, however, buying Shell URT100 or URT105 in a 5-gallon pail has been the safest bet, and the car runs great with that fuel in the tank.

YMMV. Great data points from you though. I would like to see the same thing from different stations (within the same brand), and possibly from different distribution companies (outlying towns, etc.) to see if there is a difference.
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JamesWilson2 is offline   Reply With Quote