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Back in the saddle again
Join Date: Oct 2001
Location: Central TX west of Houston
Posts: 57,118
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I only use Chevron. I haven't tested recently, but about 5 years ago I made a long highway round trip. I used whatever was cheapest on the way up and only Chevron on the way back and got an extra 1-2 mpg. I can't definitively say that it was the gas, but it seems possible.
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Steve
'08 Boxster RS60 Spyder #0099/1960
- never named a car before, but this is Charlotte.
'88 targa  SOLD 2004 - gone but not forgotten
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