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Old 01-28-2011, 01:38 PM   #1
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What kind of Oil?

So basically my whole life my dad has been telling me to use synthetic oil and keeping it that way. I've done some research and synthetic doesn't necessarily mean that it is better especially since my wrangler holds 5 quarts and I always have to add another before my next oil change (because synthetic is thinner, so it burns faster in the Wrangler). So I am wondering now, conventional oil or synthetic? Or maybe just run some thicker oil, because the recommended is 5w-30 for mine.

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Old 01-28-2011, 02:55 PM   #2
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Mobil One 5w-20 synthetic goes in mine. Autozone is having a sale right now. Bought ten quarts of oil, two Mobil One oil filters, and had a $20 credit on my Autozone card, which made the total cost $43.71.

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Old 01-29-2011, 12:00 AM   #3
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Not a bad deal, but I need to know how to solve my oil burning problem. I work at Costco and sometimes they have a sale on the Mobil synthetic and It's super cheap for six quarts.
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Old 01-29-2011, 12:16 AM   #4
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Quote:
Originally Posted by JustLearning View Post
Not a bad deal, but I need to know how to solve my oil burning problem. I work at Costco and sometimes they have a sale on the Mobil synthetic and It's super cheap for six quarts.
Well First question I have for you is what engine do you have?
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Old 01-29-2011, 12:41 AM   #5
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Well First question I have for you is what engine do you have?
I have a 2006 with a 2.4 liter engine
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Old 01-29-2011, 12:45 AM   #6
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I have a 2006 with a 2.4 liter engine
Just making sure you didn't have the 4.0L that takes 6quarts.

Even with normal oil changes there is no reason that you should burn a quart of oil at all. Either you have something seriously wrong or a leak.
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Old 01-29-2011, 12:56 AM   #7
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Just making sure you didn't have the 4.0L that takes 6quarts.

Even with normal oil changes there is no reason that you should burn a quart of oil at all. Either you have something seriously wrong or a leak.
Dang, that's annoying. Well I've heard if you have a problem other than a leak then there would be abnormal exhaust smoke, and I don't have any of that. So maybe there is a leak? There is no excess oil on the undercarriage so maybe it is leaking somewhere internally? I don't even know.
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Old 01-29-2011, 06:57 AM   #8
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How often are you changing oil? Burning one quart in 3-5000 miles is not going to produce abnormal exhaust smoke.
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Old 01-29-2011, 07:42 AM   #9
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Synthetic oil reportedly has a higher resistance to being cooked off and a quicker flow at start up; both of these features are desirable to me. My 2010 Wrangler Unlimited is getting full synthetic; I plan to keep it for a long time.

One quart inbetween oil changes isn't too bad from what I've seen. My wife drives a 07 Grand Caravan with about 74,000 miles and it will burn a quart in 3,000 miles. I bought it new and have religiously changed the oil every 3,000; the first several changes were synthetic then it got regular oil. I'm running synthetic again to see if it makes a consumption difference and if a different brand will be consumed any less. I did notice on the last change it did not use any oil for the first 1,500 miles but then it did consume a quart in the last 1,500. Maybe as the oil gets more broken down or whatever it's less resistant to burn off?

How many miles on the Jeep?

Has synthetic been used in it regularly?

How long do you plan on keeping it?
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Old 01-29-2011, 11:35 AM   #10
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Mine has about 56,000 miles on it, and I have been using synthetic every 3,000 miles. I plan on keeping it for as long as I can because it is awesome.
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Old 01-30-2011, 07:26 AM   #11
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Mine has about 56,000 miles on it, and I have been using synthetic every 3,000 miles. I plan on keeping it for as long as I can because it is awesome.
I would keep on using synthetic.
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Old 01-30-2011, 09:31 AM   #12
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I've had nothing but problems with synthetic Mobil-1 and the M1-301 style oil filter. I switched thinking I was doing something good, but had terrible lifter tick problems on cold startups. the colder outside the worse it was, with longer duration.

now i use cheap dino oil - Shell or Valvoline 10w30, whatever is on sale. I add half a bottle of Lucas ZDDP additive. use a Purolator Gold filter and there are hardly any lifter tick issues, and when it does tick, its only for a few seconds.
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Old 01-31-2011, 04:26 PM   #13
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Thanks for all the help. Now it is time to apply it!

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