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Don't believe that viral AI video comparing 0w20 to 5w30.

White Eagle

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If CAFE standards were the true reason for 0-20 oil then why would they throw it out the window by putting MT’s and Falken tires on stock Gladiators ?
 

Sweetums

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Because someone wrote the spec for the Pentastar engine assuming it’s in a minivan, not a Rubicon. Someone else copied that spec and pasted it into the Jeep manual because “that’s the spec for that engine” then went to lunch.
 

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Hootbro

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If CAFE standards were the true reason for 0-20 oil then why would they throw it out the window by putting MT’s and Falken tires on stock Gladiators ?
That is where the "Corporate Average" part of CAFE comes in. It is a average across their whole corporate line with trucks and passenger cars having their own separate spec.

They have to manage how many they sell of one configuration vs. another. It is also my opinion why they are slow to roll out a cheap option 5.7 V8 Gladiator as they cannot afford to sell too many in that configuration.

Car manufacturers are really stuck between a rock and hard place. They cannot make profit selling miser gas sipping vehicles but also cannot sell too many guzzling vehicle and meet CAFE.
 
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ShadowsPapa

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What often gets missed or buried in these videos once people latch onto a point that supports their belief, and they lose everything after that is - a QUALITY 0w20 can do just fine. It's not all about viscosity on the bottle label.
if I use a very highly rated, good 0w20, I may well be better off than those who decide heavier is better because they say so - depending on the oil itself, not the viscosity.

I need to find them again, I was dumb, in a hurry, and did not book mark them, but I found Wrangler owners who decided "their favorite brand" in a heavier viscosity was better, only to join in a camshaft failure thread saying "me, too, and I've been using xxx weight oil".

Lake almost always says this in conclusion of his videos, hardly the first or only time ->

Jeep Gladiator Don't believe that viral AI video comparing 0w20 to 5w30. Screenshot 2026-01-04 142802
 

Stan H

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What often gets missed or buried in these videos once people latch onto a point that supports their belief, and they lose everything after that is - a QUALITY 0w20 can do just fine. It's not all about viscosity on the bottle label.
if I use a very highly rated, good 0w20, I may well be better off than those who decide heavier is better because they say so - depending on the oil itself, not the viscosity.

I need to find them again, I was dumb, in a hurry, and did not book mark them, but I found Wrangler owners who decided "their favorite brand" in a heavier viscosity was better, only to join in a camshaft failure thread saying "me, too, and I've been using xxx weight oil".

Lake almost always says this in conclusion of his videos, hardly the first or only time ->

Screenshot 2026-01-04 142802.webp
I just watched that very same video.
I felt completely vindicated for using 0W-20 for the last 146thousand miles.
I believe I believe 🙌🙌 😂😂
 
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Jteakus

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The CJ in the Wham video almost made it worth the watch. Made me appreciate my JT heated seats even more.
 

ChrisNLA

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My ole ladies van ('06 Chrysler Town & Country) calls for 5W-20, which winter weight aside, wouldn't that be the same/similar to our trucks?

Anyway, those routinely run 200K+ miles and I've yet to see anyone debate the oil weight.

Maybe the camshaft in those wasn't made of butter 😂
 

ShadowsPapa

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My ole ladies van ('06 Chrysler Town & Country) calls for 5W-20, which winter weight aside, wouldn't that be the same/similar to our trucks?

Anyway, those routinely run 200K+ miles and I've yet to see anyone debate the oil weight.

Maybe the camshaft in those wasn't made of butter 😂
Yes it would be the same at operating temperature.
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