This isnt an oil thread, LOL! Quick Oil question though.

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HEMIMANN

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Somewhere in threadland there is a test for wear that shows 5W-30 provides less wear than 5W-20. Read it long ago. At the sacrifice of tenths of a mile per gallon fuel economy due to higher viscous oil drag.

Use 5W-30 for most conditions. 0W-30 in cold (or HPL year round). 5W-40 if'n you tow heavy or hot.

Done.
 

Wild one

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For my 2017 it has the same "you can use 5w30" note for the 3.6L only. Doesn't say that for the 5.7L.
Supposedly the gubberment nannies had something to do with them removing the 5.7's from the note.Apparently from what i've gathered up,the trucks won't consistently meet their advertised milege numbers using 5W-30,so they were forced to remove them from the 5W-30 reconmendation in early 2017
 

HEMIMANN

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Supposedly the gubberment nannies had something to do with them removing the 5.7's from the note.Apparently from what i've gathered up,the trucks won't consistently meet their advertised milege numbers using 5W-30,so they were forced to remove them from the 5W-30 reconmendation in early 2017

And theeeeeeere it is, folks...another tenth of a mile per gallon or so, as the ONLY criteria not to recommend 5W-30.

If anyone that represents the company so much as whispers 5W-30 is better for reducing wear, the EPA will swoop down and fine the ever living $hit outta them if they ever find out.
Ask me how I know.
 

indept

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And theeeeeeere it is, folks...another tenth of a mile per gallon or so, as the ONLY criteria not to recommend 5W-30.

If anyone that represents the company so much as whispers 5W-30 is better for reducing wear, the EPA will swoop down and fine the ever living $hit outta them if they ever find out.
Ask me how I know.
Ok.
How I know?

ETzXHnNXQAEdJaB.jpeg

:D
 

DILLIGAF

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For my 2017 it has the same "you can use 5w30" note for the 3.6L only. Doesn't say that for the 5.7L.

I also run the Redline 5w30 sauce in the wife's POS Penstar in her JK.

Im already getting lifter noise at 40xxx KM , the idiot that owned this before me ran cheap garbage oil as well. I know this because he went to the stealer**** to get work done like a ******* moron. He was actually proud to tell me this . lol... Must be the same type that believes in lifetime fluids... hahahahah

Another engine they couldn't build properly at the factory just like the HEMI. At least with the HEMI its easy to fix.
 

danielmid

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I also run the Redline 5w30 sauce in the wife's POS Penstar in her JK.

Im already getting lifter noise at 40xxx KM , the idiot that owned this before me ran cheap garbage oil as well. I know this because he went to the stealer**** to get work done like a ******* moron. He was actually proud to tell me this . lol... Must be the same type that believes in lifetime fluids... hahahahah

Another engine they couldn't build properly at the factory just like the HEMI. At least with the HEMI its easy to fix.
Our Pentastar sounds clean on 0w-30 red line at just over 91k km, but I've had it on decent oil since we bought it and flushed out the dealer stuff. That's also getting switched to HPL next change.
 
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