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What oil do you use (synthetic)

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oil synthetic
53K views 150 replies 74 participants last post by  MikeK46 
#1 ·
Doing my 2012 JKU's first oil change this weekend, just wanted to see what others are using.

I used Mobil 1 synthetic in my 2011 JK.

What do you prefer and why (if you have some sort of fact to back your reasoning that would be great too)

:Thanx:
 
#118 ·
The dealer near me is offering a four pack for $19.99/EACH when you buy 4 oil changes up front. Good for two years. I'd rather take my dog for a jog while they change it for me then spend 2 hours (start to finish) changing my own and fiddle F'ing around with the process/cleanup/disposal etc. Maybe I'm a wuss, but I'd rather do one of the cool mods that all you guys think of than change oil! The magnet Mag Light mount is next up.
 
#119 ·
^^ I feel the very same way you do my friend. However I kinda do wish I could have the time (kids) to start doing my own oil changes, specially on my 2013 JKR with only 1300 miles. I am taking it to the dealer tomorrow to have its first oil change done and man I just love being a lazy fack, drinking their delicious Starbucks coffee and just sit on those couches while somebody else takes care of my baby. Is that a bad thing to do? Should I feel bad about it?
 
#121 ·
LMT Rubi said:
^^ I feel the very same way you do my friend. However I kinda do wish I could have the time (kids) to start doing my own oil changes, specially on my 2013 JKR with only 1300 miles. I am taking it to the dealer tomorrow to have its first oil change done and man I just love being a lazy fack, drinking their delicious Starbucks coffee and just sit on those couches while somebody else takes care of my baby. Is that a bad thing to do? Should I feel bad about it?
Lol. Starbucks at a jeep dealership? I thought that was only at Audi and the like. It's not bad IMHO. As long as you used to or have done them, man law protects you from ridicule. Ha

When I brought mine in I had an appointment and it took 20 minutes. That's how long it took me to just drive to the parts store and back! Missed my jog that time but I will make up for it!
 
#131 ·
There was a test done somewhere done by quakerstate that listed the oil based on different factions like durability, protection, and the lasting of detergents of different brand oils. Someone find it.

If I remember correctly, valvoline was at the top.

I still use Mobil 1 high mileage 10w-30. 339,300 miles and counting.
 
#132 ·
I have a 2011 JK with the 3.8 penstar and it uses 6qts of 5w20 conventional oil. I have been going between peak and castrol both have been fine, other question what type oil filter does every one use? I've seen a lot of posts about staying away from Fram, I have used pureolator and its been fine but I did try a Bosch filter and I think it was better but it was also 11 bucks for it vs the 3 for the pureolator. Lol. About to roll 30,000miles on the Jeep and oil change coming up.
 
#133 ·
jeepwrangler2011 said:
I have a 2011 JK with the 3.8 penstar and it uses 6qts of 5w20 conventional oil. I have been going between peak and castrol both have been fine, other question what type oil filter does every one use? I've seen a lot of posts about staying away from Fram, I have used pureolator and its been fine but I did try a Bosch filter and I think it was better but it was also 11 bucks for it vs the 3 for the pureolator. Lol. About to roll 30,000miles on the Jeep and oil change coming up.
I used a boesh filter the last change. I mean, it's an oil filter.
 
#139 ·
and it isn't the best oil out there. It's one of the best, but at twice the price and it's harder to find. There are plenty of UOAs that show other oils doing as well or better. Pennzoil Ultra, for example.
 
#140 ·
MikeK46 said:
Since the motors take 6 quarts, do you guys usually buy one 5 quart jug and one matching 1 quart bottle?

Also, when I did my own oil change this past weekend, the dipstick showed full after 5.75 quarts, so I didn't bother putting the last quarter quart in, figuring that a little bit simply didn't drain out (Jeep was parked on flat ground, and I let the oil drain until no more dripping). Do you guys experience this?

I hang "Peej" from the ceiling and drain the Mobil 1 out through the filler. I get all six quarts out that way.

I know, I know...picture or it didn't happen, so here it is...
 
#150 ·
:bottom: Liar, Liar. That picture tripped you up. Anyone knows you can't drain the oil like that with the hood closed. :rofl:
 
#142 ·
I use Valvoline Synpower Full Synthetic in everything. I always buy my cars new and start Synpower at the first oil change.

I installed an aftermarket turbo running 12 psi of boost on my 93 Miata in about 1997. The car had at 75K miles. Today, at 171K miles, the car does not smoke and still has good oil pressure. The lower end has never been apart. And it still runs like a bat out of somewhere hot. ;)

At 122K miles, the Honda Element I just traded in to get the JK was still going 10K miles between oil changes without needing to add oil. (10K is the factory recommended interval) No smoking, ran great.

Assuming it meets the warranty requirements (I'll check when the time rolls around) I'll stick with it for the Jeep I just got.
 
#143 ·
just to stir the pot, do any of you know what the "numbers" mean, 0-20, 5w-20, 5w-30,10w-30 etc. do your homework. part of the answer is, temperature invironment, V I improvers.
I have used AMSOIL since 1974. my wife DEMANDS that I put it into her vehicles. she always gets better gas mileage with it. just saying.:thumb:
 
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