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5W does better against fuel vs. 0W?

Jeep Junkie

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PUP 5W-30 lost only 0.3 centistokes while M1 AFE 0W-30 lost 0.9. I have virgin numbers for both, 10.3 and 10.8. I think 5W is more beefy.

Jeep Wrangler JL 5W does better against fuel vs. 0W? Screenshot_20250927_193351_Adobe Acrobat


Jeep Wrangler JL 5W does better against fuel vs. 0W? Screenshot_20250927_193410_Adobe Acrobat
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Dusty Dude

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I think you should change your user name to ā€œOil Junkieā€. :CWL:

(Maybe the mods can help you out with that)

But then again, maybe not. Your initials would be OJ and then you would trade in your Jeep for a Bronco :giggle:
 

embedded rock

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Maybe a centistokes comparison between the 0w or 5w for three or four thousand miles, with only difference being one run has five quarts and the other is six quarts. Can almost predict the outcome.
 

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YBABRAT

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I run 5-30 in my 2025 3.6 since about 1000 miles. 0-20 is for that extra mile per tank per EPA.
I do a 5k oil change with 0w-20 Restore and Protect and Mobil 1 filter. Over 35k added to the 82k on ODO when I obtained my jeep, with that combo. Runs like a top and no issues. Have 32 to 33 psi in operation, with great MPG. The key is proper maintenance, don't wait for the odo to tick another 7k.
 

CarbonSteel

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I think you should change your user name to ā€œOil Junkieā€. :CWL:

(Maybe the mods can help you out with that)

But then again, maybe not. Your initials would be OJ and then you would trade in your Jeep for a Bronco :giggle:
No, don't send him to the Bronco forum--you guys keep him :LOL::LOL::LOL::LOL::LOL::LOL:
 

CarbonSteel

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PUP 5W-30 lost only 0.3 centistokes while M1 AFE 0W-30 lost 0.9. I have virgin numbers for both, 10.3 and 10.8. I think 5W is more beefy.

Screenshot_20250927_193351_Adobe Acrobat.webp


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Much like most of your pointless hand wringing...you do realize this will be relevant and actually mean something on or about the 12th of Neveruary... right?
 

GW’s JL

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To establish any kind of trend you’d need about a dozen UOA’s of each to start.

The other problem is fuel dilution is an ever changing data point.
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