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EPA NUMBERS - WHAT OCTANE?

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Old 03-14-2011, 01:25 PM
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EPA NUMBERS - WHAT OCTANE?

I would have to assume that the EPA would have used the mfr recommended fuel for any test regarding city and highway milage. What would those estimates been if 87 were used? Just thinking out loud.
I understand break-in, new engine, and all of that. Is that that much of a difference?
Old 03-14-2011, 01:58 PM
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I guess it would have been less than what we're getting. Why on earth would anyone test a car with something that's going to give them bad numbers?
Old 03-14-2011, 02:08 PM
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I think my point exactly. Why on earth woud anyone put anything in their vehicle that is going to give them less milage and have the potential to affect performance and void a warranty and all of the rest of the stuff that goes along with it?

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Old 03-15-2011, 01:52 PM
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Dumb but semi-serious question.

The EPA used methods that did not accurately mimic the average consumer's usage in the past.
They have updated there methods in recent years and the ratings went down accordingly.
Do we really know that they are using the correct fuel?
Good enough for government work comes to mind...
Old 03-15-2011, 02:04 PM
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Originally Posted by confusion
The EPA used methods that did not accurately mimic the average consumer's usage in the past.
They have updated there methods in recent years and the ratings went down accordingly.
Do we really know that they are using the correct fuel?
Good enough for government work comes to mind...
They're probably not using the best fuel available, but they do stick to manufacturer's suggested octane rating.

http://www.fueleconomy.gov/feg/how_tested.shtml

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