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


Registered: 02/22/09
Posts: 314
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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'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: 3348
Loc: CT
It's in your head, seriously.
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14 Forester XT
Rotella T6
08 Civic LX (Auto)
Edge 0W-20 + Pure 1 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: 25016
Loc: Ontario, Canada
Unless it magically changed into 20w60, I think you have other issues.
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00 BMW 328i
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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: 8444
Loc: Middlesex County CT
Too many uncontrolled variables to conclude anything; tire pressure, atmospheric pressure, wind, fuel forumlation etc etc etc.
_________________________
2003 Echo, >330K, Supergard 5W-30
2006 B2300, 84K,ALM;

I prefer cats over dogs; Cats have the sense not to roll in their own poop

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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: 314
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: 3348
Loc: CT
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.
_________________________
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Rotella T6
08 Civic LX (Auto)
Edge 0W-20 + Pure 1 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: 999
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.
_________________________
2000 Corvette FRC. 5w30 QSUD; P1
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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: 4208
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 Grand Cherokee 4.0 @ 119k "GC" Edge 0w30
Fram Tough Guard TG8A
KIA Sedona 33k, Chevy Lumina 166k, Chrysler Sebring 169k, Ford Ranger 172k!

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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: 4101
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)
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32 Packard 15W40
90 4Runner 10W30 Edge
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05 MB S600 0W40 M1
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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: 8444
Loc: Middlesex County CT
Quote:

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


Actually you won't.
_________________________
2003 Echo, >330K, Supergard 5W-30
2006 B2300, 84K,ALM;

I prefer cats over dogs; Cats have the sense not to roll in their own poop

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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: 25016
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
00 BMW 328i
02 Expedition
01 BMW ///M5

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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: 807
Loc: Oregon
Winter WinteR WINTER
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The more you know, the less you don't know. YMMV!!!
coffee

Behold the mighty power of the Warm & Fuzzies assimilate



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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: 3138
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)
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13 elantra 24k penplat5w30
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