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#2908576 - 02/16/13 03:15 PM Bad gas mileage with M1
oilchangeguy Offline


Registered: 02/22/09
Posts: 419
Loc: North Carolina
Switched to M1 5w20 for this oci. My gas mileage has dropped by over 1 mpg and getting worse as the oil ages. Had been using Motorcraft 5w20 blend. I'm switching back.
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'15 Dodge Ram 1500, Havoline Conventional, NAPA Gold Filter
'11 Nissan Altima,NAPA Syn,Nissan Filter

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#2908580 - 02/16/13 03:17 PM Re: Bad gas mileage with M1 [Re: oilchangeguy]
gathermewool Offline


Registered: 01/09/09
Posts: 5048
Loc: New England
It's in your head, seriously.
_________________________
14 Forester XT
M1 5W-30 EP + Fram Ultra (FU) filter
08 Civic LX (Auto)
GC 0W-30 + FU filter

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#2908581 - 02/16/13 03:17 PM Re: Bad gas mileage with M1 [Re: oilchangeguy]
Laddie Offline


Registered: 02/15/13
Posts: 14
Loc: Baltimore, Maryland
Originally Posted By: oilchangeguy
Switched to M1 5w20 for this oci. My gas mileage has dropped by over 1 mpg and getting worse as the oil ages. Had been using Motorcraft 5w20 blend. I'm switching back.


What OCI's do you do?

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#2908583 - 02/16/13 03:18 PM Re: Bad gas mileage with M1 [Re: oilchangeguy]
OVERKILL Offline


Registered: 04/28/08
Posts: 33489
Loc: Ontario, Canada
Unless it magically changed into 20w60, I think you have other issues.
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2016 Durango Limited
2016 Grand Cherokee SRT

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#2908584 - 02/16/13 03:19 PM Re: Bad gas mileage with M1 [Re: oilchangeguy]
simple_gifts Offline


Registered: 07/26/04
Posts: 11408
Loc: Middlesex County CT
Too many uncontrolled variables to conclude anything; tire pressure, atmospheric pressure, wind, fuel forumlation etc etc etc.
_________________________
2004 Prius; 75K MC 10w-30
2003 Echo > 4.03x10^5 miles; 5w-50
2006 B2300;117K;ALM


Was driving an ox cart; Now on the USS Enterprise

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#2908590 - 02/16/13 03:25 PM Re: Bad gas mileage with M1 [Re: oilchangeguy]
oilchangeguy Offline


Registered: 02/22/09
Posts: 419
Loc: North Carolina
OCI is about 4k. I keep very close eyes on tire pressure. Just seems like its the oil, I could be wrong. When I switch back MC, I'll know for sure.
_________________________
'15 Dodge Ram 1500, Havoline Conventional, NAPA Gold Filter
'11 Nissan Altima,NAPA Syn,Nissan Filter

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#2908591 - 02/16/13 03:25 PM Re: Bad gas mileage with M1 [Re: oilchangeguy]
gathermewool Offline


Registered: 01/09/09
Posts: 5048
Loc: New England
Oh, and if you're dumping your oil and changing the filter ealier than you would JUST to get the M1 out, you'll be throwing the cost of those miles left in the OCI down the drain.
_________________________
14 Forester XT
M1 5W-30 EP + Fram Ultra (FU) filter
08 Civic LX (Auto)
GC 0W-30 + FU filter

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#2908593 - 02/16/13 03:25 PM Re: Bad gas mileage with M1 [Re: oilchangeguy]
donnyj08 Offline


Registered: 08/12/12
Posts: 2802
Loc: Cincinnati, OH
My truck will get better fuel mileage on MS5k or MSS than any other oil. people can choose not to believe me, however i drive the same route at the same time of day 6 days a week at the same pace checking every fill up. i will get .7-.8 mpg better with MS5k or MSS, i swear to it.


I love mobil 1 3 vehicles in my driveway have M1 5w30 in them right now, but honestly the fords ive owned including a supercharged mustang GT ran quieter and better on the Motorcraft 5w20 than M1 5w20.
_________________________
2008 Silverado Z71 LT 82k MSS 5w30
2010 Ford Escape XLT 138k RP API 0w20
2016 Yamaha XSR900, Shell Advanced 4T 10w40, Yamaha Filter.

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#2908598 - 02/16/13 03:29 PM Re: Bad gas mileage with M1 [Re: donnyj08]
KCJeep Offline


Registered: 06/30/11
Posts: 6731
Loc: Mahzurrah!
Originally Posted By: donnyj08
My truck will get better fuel mileage on MS5k or MSS than any other oil. people can choose not to believe me, however i drive the same route at the same time of day 6 days a week at the same pace checking every fill up. i will get .7-.8 mpg better with MS5k or MSS, i swear to it.



I've seen a LOT of people make that comment about Super, you're not alone.

A lot of complaints about M1 and noise too...doesn't mean it's not working well but I don't like noise either. Rumor has it the AFE versions are quieter.
_________________________
04 Jeep Grand Cherokee 4.0 140k - Edge 0w40
09 Lincoln MKZ AWD 78k - Magnatec 5w30
12 KIA Sedona 73k - Edge 0w40
09 Ford Focus 123k - QSUD 5w30

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#2908599 - 02/16/13 03:29 PM Re: Bad gas mileage with M1 [Re: simple_gifts]
Astro14 Offline


Registered: 10/10/10
Posts: 7454
Loc: Virginia Beach
Originally Posted By: simple_gifts
Too many uncontrolled variables to conclude anything; tire pressure, atmospheric pressure, wind, fuel forumlation etc etc etc.


Exactly!

It's winter now...winter fuel formulation, longer open loop operation, more warm up time, etc...


Edited by Astro14 (02/16/13 03:30 PM)
_________________________
32 Packard 15W40
02 Volvo V70 T5 0W40 M1
02 Volvo V70 XC 0W40 Edge
05 MB S600 0W40 M1
16 Tundra 1794 TGMO

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#2908600 - 02/16/13 03:29 PM Re: Bad gas mileage with M1 [Re: oilchangeguy]
simple_gifts Offline


Registered: 07/26/04
Posts: 11408
Loc: Middlesex County CT
Quote:

When I switch back MC, I'll know for sure.


Actually you won't.
_________________________
2004 Prius; 75K MC 10w-30
2003 Echo > 4.03x10^5 miles; 5w-50
2006 B2300;117K;ALM


Was driving an ox cart; Now on the USS Enterprise

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#2908602 - 02/16/13 03:32 PM Re: Bad gas mileage with M1 [Re: donnyj08]
OVERKILL Offline


Registered: 04/28/08
Posts: 33489
Loc: Ontario, Canada
Originally Posted By: donnyj08
My truck will get better fuel mileage on MS5k or MSS than any other oil. people can choose not to believe me, however i drive the same route at the same time of day 6 days a week at the same pace checking every fill up. i will get .7-.8 mpg better with MS5k or MSS, i swear to it.


I love mobil 1 3 vehicles in my driveway have M1 5w30 in them right now, but honestly the fords ive owned including a supercharged mustang GT ran quieter and better on the Motorcraft 5w20 than M1 5w20.


My 5.4L doesn't seem to care what is in the sump shrug I've run everything from D1 5w-40 to M1 5w20 in it (and a pile of oils in between, like Redline 5w-30, PC 0w-30, M1 AFE 0w-30 (current), AMSOIL AZO 0w-30, PC Duron-E 0w-40, M1 0w-40) with no discernible difference in fuel consumption.
_________________________
2016 Durango Limited
2016 Grand Cherokee SRT

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#2908608 - 02/16/13 03:35 PM Re: Bad gas mileage with M1 [Re: oilchangeguy]
MrQuackers Offline


Registered: 08/17/12
Posts: 1992
Loc: Oregon
Winter WinteR WINTER
_________________________
Oil is cheap, get your hands dirty

coffeeMobil 1 USA

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#2908614 - 02/16/13 03:38 PM Re: Bad gas mileage with M1 [Re: MrQuackers]
Cujobob Offline


Registered: 01/18/13
Posts: 151
Loc: Michigan
Too many variables, flawed experiment.

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#2908637 - 02/16/13 04:01 PM Re: Bad gas mileage with M1 [Re: oilchangeguy]
spasm3 Online   content


Registered: 05/30/10
Posts: 7333
Loc: North Carolina
When i had my ford escape, i could not measure any fuel mileage difference between 5-20, 5-30 and 5-40. So i don't believe there would be any fuel economy differences between brands of 5-20.


Edited by spasm3 (02/16/13 04:01 PM)
_________________________
13 elantra 53k 5w30 ultra
03 chevy avalanche70k m1 0w30
02 saturnsc1 66k 0w40 castrol
01 saturnsc1 185k rebuilt
93 ciera 79k 5w30 mc5k

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