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#4542923 - 10/14/17 08:08 AM Winter and summer gas explained
ZZman Offline


Registered: 03/17/08
Posts: 5790
Loc: Michigan
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#4542939 - 10/14/17 08:21 AM Re: Winter and summer gas explained [Re: ZZman]
shanneba Offline


Registered: 07/10/04
Posts: 888
Loc: Indiana (IN)
We change our gasoline blend RVP six times a year in Indiana smile

CountryMark Plus Gasoline Specs
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#4542976 - 10/14/17 08:53 AM Re: Winter and summer gas explained [Re: ZZman]
ATex7239 Offline


Registered: 01/19/17
Posts: 331
Loc: Texas,USA
Interesting.

I purchased an '02 Durango 4.7 while in the military and owned it several years after. The SUV saw summers and winters in the Southeast (where I bought it), Midwest, Northwest, and eventually landed in my home state in of Texas after I discharged.

I never noticed a lick of different in the performance or reliability across the state and seasons. YMMV
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#4542997 - 10/14/17 09:21 AM Re: Winter and summer gas explained [Re: ZZman]
DBMaster Offline


Registered: 09/18/12
Posts: 5323
Loc: DFW
I do notice 1-2 fewer mpg in the coldest months around here. This could very well explain it.

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#4543026 - 10/14/17 10:05 AM Re: Winter and summer gas explained [Re: ZZman]
mjk Offline


Registered: 02/15/11
Posts: 1233
Loc: Wishin' I was in Wi
As soon as we switch to winter blend in MN (beginning of Oct), I lose at least 1 mpg in my Tahoe. Weather is still warm, so that isn't the issue.

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#4543040 - 10/14/17 10:19 AM Re: Winter and summer gas explained [Re: ZZman]
thorromig Offline


Registered: 03/22/12
Posts: 804
Loc: BerksCounty/Pa.
I lose MPG in the Ram & Acura in signature during the winter blend season "every" year.
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#4543957 - 10/15/17 11:21 AM Re: Winter and summer gas explained [Re: ZZman]
DBMaster Offline


Registered: 09/18/12
Posts: 5323
Loc: DFW
With my previous vehicle - 1989 Honda - I didn't notice a significant change. That was because the older A/C compressors required more of the engine's power than the ones in use today. I can still feel a difference in performance when using the A/C in my 2012 Mazda, but not as much as in previous vehicles.

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#4544211 - 10/15/17 04:23 PM Re: Winter and summer gas explained [Re: ZZman]
CT Rob Offline


Registered: 08/11/05
Posts: 143
Loc: connecticut
Filled up today and im down 1 mpg .So it's here in Ct now.
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#4545450 - 10/16/17 06:56 PM Re: Winter and summer gas explained [Re: ZZman]
DAC17 Offline


Registered: 02/12/04
Posts: 160
Loc: CT, USA
I lose at least 5%, and maybe 10% during the winter. Hard to tell, though, how much is from the gas and how much from the cold starts. On long highway trips, generally 5% less in winter.
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#4546662 - 10/17/17 08:51 PM Re: Winter and summer gas explained [Re: ZZman]
stevo585 Offline


Registered: 08/26/17
Posts: 37
Loc: Orlando, FL
I never notice much difference here in Florida. Maybe we don't get it down here since its almost never below 40F.
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