"New" Mobil 1 ESP 5w-40

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What does disapproves mean or approves against? Chrysler approves 5-30, but not 5-40...I am confused...but that's not hard to do

quote from Mobil:
Mobil 1 ESP Formula M 5W-40 is an advanced performance synthetic engine oil designed to provide exceptional cleaning power, wear protection and overall performance. Mobil 1 ESP Formula M 5W-40 is engineered to help prolong the life and maintain the efficiency of Car Emission Reduction Systems in both diesel and gasoline powered automobiles that require an oil that is approved against Daimler Chrysler's MB 229.51 specification.

Its good to see that Mobil states this oil is for extended service!
 
Ok........I think I am getting it!

Chrysler Approves this oil....against....or inaccordance with the Daimler/Chrysler specs.

Why could they just say Chrysler approves this oil....hey, I am a Country Boy
 
wow, awesome. i've always wondered why Mobil 1 does not come in 5W-40, and now it does.

this is good, but poses a problem for me. i already decided on Liqui-Moly 5W-40, and now I have another choice. what do i doooooo?
 
Very similar to the new Amsoil 5w-40...I'd guess a TBN of 6-7, given the low sulfated ash. This would be a VW 505.01/BMW LL04 and MB, 229.51 oil, primarily intended for diesels with particle filters.

TS
 
When comparing this to 5w30 ESP, it's much less robust.

5w30 ESP

Flash Point - 496F
HT/HS -3.6
 
Except for the slightly higher flashpoint for the Mobil ESP, the specs of the two oils are very close:

Amsoil 5w-40:

Vis @ 100C, 13.7 Cst
Vis @ 40C, 81 Cst
VI 176
Flash Point +446F
HT/HS viscosity, 3.7 Cp @ 150C
Pour Point, -42C
Noack, 8.9%

Perhaps they didn't teach the metric system in Jersey???
(better brush up before that Australia gig
wink.gif
)

(236C) (9/5) + 32 = 457F, NOT 496F

TS
 
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wow, awesome. i've always wondered why Mobil 1 does not come in 5W-40, and now it does.

this is good, but poses a problem for me. i already decided on Liqui-Moly 5W-40, and now I have another choice. what do i doooooo?



M1 has been available in a 5W-40 variety for a few years now. First as Delvac 1 if you wanted to hunt it down at truck stops or the like. Then later as Mobil 1 Truck and SUV 5W-40 available at many auto parts stores. Finally, M1 renamed it to Mobil 1 Turbo Diesel Truck 5W-40 and it became much harder to locate. Were these Mobil oils not available in Canada?
 
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wow, awesome. i've always wondered why Mobil 1 does not come in 5W-40, and now it does.

this is good, but poses a problem for me. i already decided on Liqui-Moly 5W-40, and now I have another choice. what do i doooooo?



M1 has been available in a 5W-40 variety for a few years now. First as Delvac 1 if you wanted to hunt it down at truck stops or the like. Then later as Mobil 1 Truck and SUV 5W-40 available at many auto parts stores. Finally, M1 renamed it to Mobil 1 Turbo Diesel Truck 5W-40 and it became much harder to locate. Were these Mobil oils not available in Canada?




Delvac 1 used to be sold in Walmart here for many years, but they stopped it a while back and we never did get the Truck and SUV 5w40 up here (not anywhere I could see anyhow)

Chances are good that it'll be a long while before this new 5w40 comes up here, if at all. There are very few 5w40s available up here. It's just not a popular viscosity here.
 
Patman,

Look for Mercedes dealers to carry the MB 229.51 oils....Since Mobil has a supplier arrangement with Mercedes, this 5w-40 should show up when the "Blue Tec", common rail, MB diesels start being sold in Canada.

Of course it will probably be $12.00/US per quart...;) LOL!

Ted
 
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Yes but not the most ideal choice.


Not so sure about that, buster. Terry commented that some of these low SAPS oil might provide a good value for passenger vehicles. The Mobil 1 ESP 5w30 might be a good substitute for Esso XD-3 and the like, that is, assuming the price is right.
 
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12.00/US per quart




...but they have to pay for that Socialized healthcare system somehow. lol

427, thanks you're probably right...as usual.
cheers.gif
 
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