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


Registered: 02/22/09
Posts: 319
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.
_________________________
'11 Ford Ranger,Havoline Conventional,Motorcraft filter
'11 Nissan Altima,NAPA Syn,NAPA Silver 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: 3648
Loc: New England
It's in your head, seriously.
_________________________
14 Forester XT
GC 0W-30 + Subie blue filter
08 Civic LX (Auto)
VWB 5W-20 + Fram Ultra Guard 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: 26720
Loc: Ontario, Canada
Unless it magically changed into 20w60, I think you have other issues.
_________________________
Network Engineer
02 Expedition
01 BMW ///M5
06 Charger R/T

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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: 9126
Loc: Middlesex County CT
Too many uncontrolled variables to conclude anything; tire pressure, atmospheric pressure, wind, fuel forumlation etc etc etc.
_________________________
2003 Echo >350K miles;Supergard 5W-[23]0;
2006 B2300;90K;ALM

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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: 319
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.
_________________________
'11 Ford Ranger,Havoline Conventional,Motorcraft filter
'11 Nissan Altima,NAPA Syn,NAPA Silver 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: 3648
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
GC 0W-30 + Subie blue filter
08 Civic LX (Auto)
VWB 5W-20 + Fram Ultra Guard 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: 1098
Loc: indiana
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 5w30 Synpower; AcDelco filter.
2008 nissan Armada. 5w30 Synpower; Bosch Premium
2012 Yamaha FZ6R. 10w40 M1 4T SYN

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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: 4693
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.
_________________________
2004 Jeep GC WJ 4.0 @ 123k Pennzoil YB 5w30 - MoS2
Napa Silver 31515
KIA Sedona 40k, Chevy Lumina 174k, Chrysler Sebring 172k, Chrysler Concorde 97k

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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: 4618
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
90 4Runner 10W40 QS4X4
92 300E 5W40 LiquiMoly
02 Volvo V70 T5 0W40 M1
02 Volvo V70 XC 5W30 PU
05 MB S600 0W40 M1
06 Corolla 5W30 Edge

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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: 9126
Loc: Middlesex County CT
Quote:

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


Actually you won't.
_________________________
2003 Echo >350K miles;Supergard 5W-[23]0;
2006 B2300;90K;ALM

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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: 26720
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.
_________________________
Network Engineer
02 Expedition
01 BMW ///M5
06 Charger R/T

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


Registered: 08/17/12
Posts: 1098
Loc: Oregon
Winter WinteR WINTER
_________________________
The more you know, the less you don't know. YMMV!!!
coffee

Listen more, talk less


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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: 150
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 Offline


Registered: 05/30/10
Posts: 4027
Loc: out there
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 31k penplat0w20
03 chevy avalanche63k m1 0-30
02 saturnsc1 57k pennultra
01 saturnsc1 165k nextgenhm
93 ciera 65k 5w30napasyn
gz250 hdeo15w40

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