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Unread 06-02-2013, 03:05 AM   #1
cplack745
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First oil change!

Alright so the first oil change is coming up sense I got her! What would you guys recommend for the 4.7 with only 79000 miles on her?!?

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Unread 06-02-2013, 03:21 AM   #2
Jer-Bear
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I'd run through a cheap 10w-30 oil with Rislone additive for 1500 miles to clean it really well, then run through a part synthetic with Marvel Mystery Oil for 3000 to get everything running smooth and lubricated.
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Unread 06-02-2013, 10:34 AM   #3
lvngtheJEEPlife
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Rotella t5 or a high grade mobil 1.
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Unread 06-02-2013, 11:51 AM   #4
KayCeeJeep
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Just about any name brand full synthetic in 5w30 should clean up any residue and treat your engine well in the process. If you're not a synthetic guy, I'd suggest conventional Pennzoil 5w30 in the yellow bottle, it is higher in detergents than just about any other name brand oil so also a good choice if you're not sure how clean it is. Valvoline Maxlife is also very high in detergents and would be a very good choice as well as it also has seal conditioners which can't hurt for our aging WJ's.
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Unread 06-02-2013, 12:01 PM   #5
Jer-Bear
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But be careful with Pennzoil, it starts turning colors at about 1500 miles and you need to change it around 2000.
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Unread 06-02-2013, 04:48 PM   #6
KayCeeJeep
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Quote:
Originally Posted by Jer-Bear View Post
But be careful with Pennzoil, it starts turning colors at about 1500 miles and you need to change it around 2000.
That's because it's cleaning, but that has nothing to do with how well it's lubricating Like I said it is higher in detergent than any other conventional, but oil can both clean and retain it's lubricating properties all at the same time.

You don't need to change it any sooner than anything else.
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Unread 06-02-2013, 06:27 PM   #7
Jer-Bear
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My man, I've ran Pennzoil in a new engine and it turns at 1500 miles. You're right, it is made of mostly detergents. That's why it breaks down faster than most oils.
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Unread 06-02-2013, 08:29 PM   #8
KayCeeJeep
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Never mind...
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Unread 06-02-2013, 10:15 PM   #9
pinky2252s
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Run brand new oil in a car for 10 miles. Its gonna come out black. You cant tell how an oil is lubricating from its color..
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Unread 06-03-2013, 12:11 AM   #10
Jer-Bear
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Um, not unless you're using used oil...lol. New oil usually stays the clear yellow hue before being burned and broken down. Check under your hood more often.
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Unread 06-03-2013, 03:21 AM   #11
pinky2252s
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Quote:
Originally Posted by Jer-Bear View Post
Um, not unless you're using used oil...lol. New oil usually stays the clear yellow hue before being burned and broken down. Check under your hood more often.
Mmkay bud.
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Unread 06-03-2013, 04:46 AM   #12
lvngtheJEEPlife
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Oh boy..
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Unread 06-03-2013, 06:21 AM   #13
alfaitalia
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Some of you must have some real clean engines! When I ran petrol (gas) engines I always run an engine oil flush through to get rid of as much dirt as possible before I change the oil andthe new oil is ALWAYS dark within a 1000 miles or so.... short of taking your engine apart and cleaning every part thats how it will be and is perfectly normal.
I run a diesel now....and its it new oil is black almost instantly...because diesel engines stay dirty no matter how you flush them. Does not stop the oil staying in for the full 12000 miles (that is the correct interval for a CRD before all you 3000 mile change gas engine owners have a heart attack!)
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Unread 06-03-2013, 09:16 PM   #14
coloradowjowner
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Quote:
Originally Posted by lvngtheJEEPlife
Rotella t5 or a high grade mobil 1.
:thumbs up my 4.0 is virtually silent when I changed over to Rotella.
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Unread 06-04-2013, 09:55 AM   #15
Stimmel
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i run mobil1 1 full syn in my 4.7 with the exact same mileage picked it up with 71k on it so yea 5w30 full syn high mileage works well for me
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