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New 0W-20 Synthetic Motor Oil from Mazda

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Old 10-10-2012, 03:37 PM
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New 0W-20 Synthetic Motor Oil from Mazda

Just look at those kinematic viscosity numbers!

http://www.cleanmpg.com/photos/data/501/Idemitsu_-_Mazda_0W-20_Synthetic.jpg
Wayne Gerdes - CleanMPG - Oct. 10, 2012

Idemitsu’s “Genuine Mazda 0W-20 GF-5 with Moly - Synthetic Engine Oil” – ILSAC GF-5 certified and sold in 1 qt. containers for $7.95 at a Mazda dealership near you.

A new motor oil is now available that will make you think twice about picking up the 5 qt. container of Mobil1 Advanced Fuel Economy 0W-20 (one of my favorites), possibly 5 single quarts of Pennzoil Platinum Full Synthetic 0W-20 or even having a few gallons of Amsoil Signature Series 0W-20 delivered to your door.

The new kid on the block was created specifically to reduce friction while providing the utmost protection for Mazda’s SKYACTIV-G gasoline engines available in both the Mazda3 and CX-5. The hyper efficient synthetic oil is engineered to improve Mazda SKYACTIV engine equipped Mazda’s fuel economy and deliver quick starts with fast lubrication for outstanding engine protection even in the coldest of conditions. This new engine oil also meets or exceeds the latest and very tough ILSAC GF-5 requirements.

Introducing the new “Genuine Mazda 0W-20 GF-5 with Moly” synthetic motor oil from Idemitsu. The advanced formulation is the result of years of research to develop a motor oil that provides the protection a modern day engine demands while providing the efficiency we all need.

Motor Oil 101

The main function of motor engine oils is to lubricate the cars internal engine parts so they run smoothly and are protected from wear and tear, for better efficiency and performance.

In the case of Idemitsu’s Mazda SAE 0W-20 GF-5 low viscosity synthetic formula, it provides outstanding quick cold temperature starting and fast protection in order to extend engine life. As a by-product, the utmost fuel economy is achieved from the initial turn of the key to heading down the road no matter what temperature or condition.

How does synthetic oil maximize fuel economy?

Directly out of the Mobil1 synthetic playbook, there are 4 key areas in an engine where large energy losses occur due to metal on metal contact and the resultant friction as described in the following:
  1. The Valve Train - Energy loss occurs in the camshaft bearings and also in the contact area between the valve and roller lifter.

    During warm-up, Mazda SAE 0W-20 GF-5 low viscosity synthetic formula flows faster because of its ultra low kinemetic viscosity at low temperature rating helps minimize initial start metal on metal contact friction and wear.

  2. The Piston and Cylinder - Energy is lost at the piston liner interface during the combustion cycle and especially before and after the midstroke when the crank angle is at its most severe.

    Mazda SAE 0W-20 GF-5 low viscosity synthetic formula works to reduce friction at the piston compression rings and skirts sliding up against the cylinder walls.

  3. The Oil Pump - In the oil pump, energy loss occurs due to rotational energy consumed by pumping heavier viscosity oils as engine temperatures increase to steady state operating temperatures.

    During the warm up phase in particular, the Mazda SAE 0W-20 GF-5 low viscosity synthetic formula’s lower kinematic viscosity flows more easily through the oil pump, requiring less energy to pump the oil to critical engine parts when they need it most and even after reaching normal operating temperature to improve engine efficiency and fuel economy even further.

  4. The Crankshaft - The main bearings and connecting rod bearings are two areas where friction abounds. Mazda SAE 0W-20 GF-5 low viscosity synthetic formula oil ensures low traction (internal fluid friction) to further contribute to improved engine efficiency.
The 0W-20 Full Synthetic Comparison – Kinematic Viscosity Ratings

Product Brand NameViscosityKinematic Viscosity at 40 degrees C (cSt)Kinematic Viscosity at 100 degrees C (cSt)
Mazda GF-5 with Moly0W-2035.08.3
Pennzoil Platinum Full Synthetic0W-2042.88.4
Mobil1 Advanced Fuel Economy0W-2044.88.7
Amsoil Signature Series0W-2047.38.7
Lower is better.

Mazda SAE 0W-20 GF-5 with Moly synthetic motor oil (MAZDA PART Number: 0000-G5-0W20-MQ) is the motor oil Mazda recommends for use in all of its 2.0L SKYACTIV-G engines.

Always consult your owner's manual for the correct viscosity choice and specification grade of oil required. And remember that our manuals viscosity recommendations usually allow a range of viscosities based on local temperatures expected between coil changes.

The synthetic oil maker, Idemitsu, is a large Japanese conglomerate involved in petroleum refining and the manufacture of oil, petrochemical and agricultural chemical based products. They are an employer of more than 8,000 with revenues exceeding $55 Billion USD in 2011.

A large thank you goes out to Dave Coleman of the Mazda Tech Group for providing us some of the details on this fantastic new motor oil! And I think you know what we will be using on our next fuel economy record drive
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Last edited by xcel : 10-11-2012 at 01:23 AM.
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Old 10-10-2012, 04:07 PM
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Re: New 0W-20 Synthetic Motor Oil from Mazda

Hmm, me thinks I shall visit a local Mazda dealer soon.
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Old 10-10-2012, 06:26 PM
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Re: New 0W-20 Synthetic Motor Oil from Mazda

Larry, you keep accurate mileage records?.. it will be hard to tell the difference vs. $5.20 a quart Mobil 1 Advanced.
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Old 10-10-2012, 06:48 PM
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Re: New 0W-20 Synthetic Motor Oil from Mazda

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Originally Posted by herm View Post
Larry, you keep accurate mileage records?.. it will be hard to tell the difference vs. $5.20 a quart Mobil 1 Advanced.
True, however if it can make the Insight's engine last that much longer, it could be worth it.
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Old 10-10-2012, 08:11 PM
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Re: New 0W-20 Synthetic Motor Oil from Mazda

Just because the difference is small and hard to measure doesn't mean it's not there. If manufacturers are spec'ing lighter oil for mpg reasons, it should work for the rest of us as well.
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Old 10-10-2012, 08:43 PM
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Re: New 0W-20 Synthetic Motor Oil from Mazda

Toyota and Honda also sell house brand 0W20, at similar prices. Would be interesting to see how they compare for viscosity.

Also, wonder how the Mazda oil would compare to regular 0W20 with moly additive.
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Old 10-10-2012, 10:23 PM
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Re: New 0W-20 Synthetic Motor Oil from Mazda

What's with the 40°C viscosities? Why do they matter? If they're going to claim the stuff will "deliver quick starts with fast lubrication for outstanding engine protection even in the coldest of conditions," it would be far more relevant to list the 0°F (or lower, but 0° is conventional) viscosity.

Also, there's no "metal on metal contact and the resultant friction" in healthy plain bearings at operating speeds (i.e., once full hydrodynamic film lubrication is established). There's still energy consumed in the bearings, though, shearing and pumping oil.
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Old 10-10-2012, 10:53 PM
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Re: New 0W-20 Synthetic Motor Oil from Mazda

A snake oil additive with PFTE would not hurt either
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Old 10-10-2012, 11:19 PM
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Re: New 0W-20 Synthetic Motor Oil from Mazda

Hi RedylC94:

There is always some metal to metal contact or there would be no wear or fragments "until the oil film" is formed. The Alloy surfaces are lot harder than the shear forces of the lubricant and probably the products of combustion impurities that are suspended in it. Once the hydrodynamic film initializes, sure but that can take a second or more. This is an area where synthetics are supposed to do a much better job as well. Not only do the more even size molecular chains maintain that film better but for whatever reason, it possibly clings to the cold surfaces for longer period than regular oil from my understanding. Not sure of the mechanism of that second part but hopefully somebody will supply a link.

Wayne
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Old 10-11-2012, 12:59 AM
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Re: New 0W-20 Synthetic Motor Oil from Mazda

Hi xcel,

Thanks. My point, at least in part, was that it doesn't make sense for Mazda PR to claim the oil prevents "large energy [hence fuel, by implication] losses occur due to metal on metal contact" in bearings, when the only metal-to-metal contact is so brief with any reasonable oil. That's not to say it doesn't help fuel consumption, or reduce bearing wear during those moments of "metal on metal contact," compared to some other oil.

So far, no indications of bearing wear in my Mazda's engine, after 586K miles, roughly 1.7 billion revolutions, and innumerable cold starts.
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