What Oil do you use on your Jeep?

I run the simple parts store stuff. I've always used basic cheap oil (excluding newer German cars because they're picky). All oils should have an SAE grade. I still change it every 3 months or 3000 miles.
 
Any oil that meets the OEM specs should perform well given routine oil changes. The Synthetic oil change frequency is a little longer than conventional oils but you pay more for the synthetic oils. I personally run Mobil 1 in all my vehicles with a 7k oil change frequency, but have run Dino oil at 4K oil change frequency successfully for a long time as well.

I would choose synthetic oil in the jeeps for trail use due to lower rpms, extended idling, and higher engine temps. The synthetic oils will out perform Dino oils - more resistance to thermal breakdown.

The real question is what oil filter are you using? Don’t go cheap on them, ever! Look at the efficiency ratings, as you want one >99%. Pay the extra few $ for a high efficiency filter.

Also keep your air filter changed with a quality filter. A dirty air filter will cause elevated oil particulate counts and with a shitty oil filter results in accelerated engine wear (bearings, rings, cylinder walls, rockers, etc.).




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bmkrinne said:
Any oil that meets the OEM specs should perform well given routine oil changes. The Synthetic oil change frequency is a little longer than conventional oils but you pay more for the synthetic oils. I personally run Mobil 1 in all my vehicles with a 7k oil change frequency, but have run Dino oil at 4K oil change frequency successfully for a long time as well.

I would choose synthetic oil in the jeeps for trail use due to lower rpms, extended idling, and higher engine temps. The synthetic oils will out perform Dino oils - more resistance to thermal breakdown.

The real question is what oil filter are you using? Don’t go cheap on them, ever! Look at the efficiency ratings, as you want one >99%. Pay the extra few $ for a high efficiency filter.

Also keep your air filter changed with a quality filter. A dirty air filter will cause elevated oil particulate counts and with a shitty oil filter results in accelerated engine wear (bearings, rings, cylinder walls, rockers, etc.).




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I agree on spending extra $ to keep it longer, I saw the name but I forgot it. I'll look at it today after work and post a picture of it. I'm still updating my Jeeps booklet, on things I have and what I use, in case something happens in the future.

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Mobil 1 every 5000 miles. That way I can't screw up the interval. & forget when it needs changed.

I usually get a couple cases at Costco when they put it on sale for $26 a case
 
WJCO said:
I run the simple parts store stuff. I've always used basic cheap oil (excluding newer German cars because they're picky). All oils should have an SAE grade. I still change it every 3 months or 3000 miles.
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German cars are being more and more picky with oils, filters, check ups, maintenance etc.

I'll look into the SAE grade! Thank you

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My jeep is about a year old. I've been taking it to the stealership for it's maintenance intervals, not sure what they use there. I did get 4 free oil changes/tire rotations through the jeep wave program so I'll at least take burn up those freebies there. Don't know if I'll keep taking it to the stealership through the first ~5 years of warranty or do it myself. The few times I thought I had a warranty claim it was considered user error, so not trying to give them any reason not to uphold the more critical warranties...
 
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