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Old 11-11-2018, 09:51 PM   #11
3LOU5
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Quote:
Originally Posted by Josh (PA) View Post
do they change from summer to winter gas formulas down your way? Might just be coincidental timing.
The difference between summer- and winter-blend gasoline involves the Reid Vapor Pressure (RVP) of the fuel. ... The US Environmental Protection Agency (EPA) says conventional summer-blend gasoline contains 1.7 percent more energy than winter-blend gas, which is one reason why gas mileage is slightly better in the summer.
Excellent observation. I didn't even think of that.

Yes, we usually change to a winter blend here and performance does exactly what you have written.
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Old 11-11-2018, 09:54 PM   #12
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Quote:
Originally Posted by rumatt View Post
That's what I was wondering too
Yeah, can't believe I missed that. I'm usually pretty good at pointing that out to others, LOL.
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2016 Toyota Sienna SE - hers
2002 BMW 325i - his
1994 Chevrolet Silverado K1500 Sportside Z71 - whoevers vehicle is in the shop
2009 Harley-Davidson Sportster XL883 Low (Vivid Black) - his
2018 Can-Am Spyder RT Limited - hers
2007 Harley-Davidson Sportster XL883 Low (Pearl White) - hers (SOLD 02/29/20)
2011 Tao Tao 50 - whoevers bike is in the shop
2007 Reinell 186 FNS - the dog's
1995 Fleetwood Flair 27R - EVERYBODY'S !
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Old 11-11-2018, 09:56 PM   #13
3LOU5
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Quote:
Originally Posted by clyde View Post
I'd trust hand done math before an OBC reading. Those things aren't exactly consistently consistent.
I didn't realize that OBC readings aren't very consistent. I've been logging my mpg stats since August 2002.

I should do the hand math and see how far off those OBC readings are....
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2016 Toyota Sienna SE - hers
2002 BMW 325i - his
1994 Chevrolet Silverado K1500 Sportside Z71 - whoevers vehicle is in the shop
2009 Harley-Davidson Sportster XL883 Low (Vivid Black) - his
2018 Can-Am Spyder RT Limited - hers
2007 Harley-Davidson Sportster XL883 Low (Pearl White) - hers (SOLD 02/29/20)
2011 Tao Tao 50 - whoevers bike is in the shop
2007 Reinell 186 FNS - the dog's
1995 Fleetwood Flair 27R - EVERYBODY'S !
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