dexos1

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this is probably a stupid question, but is there any harm in running a dexos 1 oil in a non GM engine? Im using Pennzoil Synthetic blend 5W30 in a 2005 Taurus, Vulcan 3.0
 
No harm at all.

But
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for subsidizing GM further.

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Originally Posted By: mobilaltima
this is probably a stupid question, but is there any harm in running a dexos 1 oil in a non GM engine? Im using Pennzoil Synthetic blend 5W30 in a 2005 Taurus, Vulcan 3.0


Dexos is just a spec. If you look on the back of the bottle you'll see all the other specs for other manufacturers. Dexos is a pretty decent spec and all the oils are synblend or higher.
 
Originally Posted By: mobilaltima
this is probably a stupid question, but is there any harm in running a dexos 1 oil in a non GM engine? Im using Pennzoil Synthetic blend 5W30 in a 2005 Taurus, Vulcan 3.0


I'm surprised you didn't throw Motorcraft in there. Thats been popular among the ford based members.
 
Originally Posted By: mobilaltima
they only offer 5W20 MC at my local wal mart, i dont like running 5W20 in the vulcan.



What is it specked for?
 
Originally Posted By: mobilaltima
5W20



What are your fears of using 5W20? I lived in Louisiana for four years, I know how hot it get`s there. But your motor will/would be just fine on 5W20.
 
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Originally Posted By: mobilaltima
what about subsidizing GM?


Do not worry about it. Every DEXOS approved oil sold GM receives a royalty fee per quart of oil sold.
 
Originally Posted By: lexus114
Originally Posted By: mobilaltima
5W20



What are your fears of using 5W20? I lived in Louisiana for four years, I know how hot it get`s there. But your motor will/would be just fine on 5W20.


Bingo.

And ambient temps have almost nothing to do with oil temps. These are not air cooled cars.
 
And ive lived in Louisiana my whole life, born and raised, i sure didnt forget how hot it is lol, sometimes too hot. The 3.0 Vulcans were designed with 5W30, im just partial to 5W30.
 
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Originally Posted By: mobilaltima
And ive lived in Louisiana my whole life, born and raised, i sure didnt forget how hot it is lol, sometimes too hot. The 3.0 Vulcans were designed with 5W30, im just partial to 5W30.




I remember my first few winters when I came back to the North East. Darn near killed me.
 
Originally Posted By: dparm


And ambient temps have almost nothing to do with oil temps. These are not air cooled cars.


Of course outside air temperature influence oil temperatures.
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Originally Posted By: Gabe
Originally Posted By: dparm


And ambient temps have almost nothing to do with oil temps. These are not air cooled cars.


Of course outside air temperature influence oil temperatures.
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For the most part he's right, warm ambient temperatures have little effect on oil temperature at operating conditions.
 
To piggyback Volk06. At operating temperatures ambient temperatures are not really a factor to consider. Ambient temperatures have the largest effects on oil before and after engine shut off. Meaning like yesterday the 116F temperature here kept the oil temperatures in the sump from cooling down after engine shut off and before engine start the oil was less viscus than it would be at 0F. That being said the operating temperature of the oil really was not much higher than in a winter conditions where is it 20F outside something like 10-15F. It takes longer for the oil to cool down when it is hot outside but it also take less time for the oil to reach operating temperatures to. Like much in life there are trade offs.
 
I was told: If you don't use an oil with the "Dexos" Logo on it, GM threatens to void your warranty. And if you want the Dexos Logo on your "quality" oil, you have to pay licensing fees for every single quart you sell. $$$
Originally Posted By: dave1251
Originally Posted By: mobilaltima
what about subsidizing GM?


Do not worry about it. Every DEXOS approved oil sold GM receives a royalty fee per quart of oil sold.
 
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