Whats Your Oil? (4.7L HO) - Page 2 - JeepForum.com

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post #16 of 29 Old 06-27-2012, 02:54 PM
ChrisHager
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Have you ran a UOA on that combo?

Lucas additive thickens the oil. Out of curiosity, is there a reason you feel you need to add something to your oil?


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post #17 of 29 Old 06-27-2012, 03:00 PM
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...Especially to oil as good as Pennzoil Ultra? (great stuff, just pricey)
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post #18 of 29 Old 06-27-2012, 05:07 PM
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Quote:
Originally Posted by myjeeplovesmud View Post
i use 5w-30 penzoil ultra for 5qts. and for the 6th, i use Lucas synthetic oil stabilizer.... i don't think theres anything that can touch that combo
Except if you used the Ultra as the 6th quart. I am surprised someone convinced you that adding a quart of "oil stabilizer" would actually make Ultra better. Ditch the snake oils, especially Lucas. If you still want a stabilizer, aka "thickener", thrown a quart of Mobil 1 15W-50 instead.

Edit: [Removed incorrect statement regarding '04 HO requiring 10w-30 - my bad]

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Last edited by dagmando; 06-28-2012 at 09:32 AM.
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post #19 of 29 Old 06-27-2012, 05:38 PM
04Overland47
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Quote:
Originally Posted by dagmando

Except if you used the Ultra as the 6th quart. I am surprised someone convinced you that adding a quart of "oil stabilizer" would actually make Ultra better. Ditch the snake oils, espcially Lucas. If you still want a stabilizer, aka "thickener", thrown a quart of Mobil 1 15W-50 instead. Also, the 5W-30 is not even the proper oil for the HO; Jeep recommends a 10w-30.
10w-30 is only for 2002-2003 HO engines. 2004 requires 5w-30 since Chrysler revised the oil pump. Either way, i agree, adding lucas or any other oil additive is useless. Unless you're burning an extremely large amount of oil.

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post #20 of 29 Old 06-27-2012, 09:28 PM
rjpete
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I run Rotella 10w-30 in my 4.0l, with a Napa/Wix or Mann oil filter.
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post #21 of 29 Old 06-27-2012, 11:08 PM
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The skinny on Lucas - virtually zero additives. Just thick. Here's a VOA of Lucas:



For those uninitiated, the key is that there is virtually nothing in it short of base oil stocks. With an extremely thick viscosity at 124 cSt. For reference, the standard for SAE 30 weight engine oil at 100C is 9.3-12.5 (about 10.0 on average). 40@ is 12.5-16.3. So it's about 10-12 times more viscous than 30W oil. Wow.
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post #22 of 29 Old 06-28-2012, 03:18 AM Thread Starter
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Changed oil to Mobil 10w30 with a Mobil filter. I run 10w30 in my 2004. manual says 10w-30

Gonna do some research on FRAM. Ive use FRAM for years. Just curious as to why so many people say stay away from them on here.


Thanks again for the advice.
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post #23 of 29 Old 06-28-2012, 06:40 AM
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02-03 HO 10w30 as for 04 5w30 they changed the oil pump in 04 and requires 5w30 it says it right on the fill cap didn't you see it?

04 Overland on 33's, Lift & tires= 8" over stock.
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post #24 of 29 Old 06-28-2012, 07:38 AM
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Quote:
Originally Posted by fuzzy88
Changed oil to Mobil 10w30 with a Mobil filter. I run 10w30 in my 2004. manual says 10w-30

Gonna do some research on FRAM. Ive use FRAM for years. Just curious as to why so many people say stay away from them on here.

Thanks again for the advice.
The tough guards aren't too bad. But I've just always run OEM filters since I bought my first Cobra and everyone on the Mustang forums preached motorcraft filters. With that said, I use Mobile 1 filters on my fiances civic.
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post #25 of 29 Old 06-28-2012, 01:41 PM
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It's the all-cardboard construction. A guy on the Audi boards I used to frequent actually had a Fram filter disintegrate and fill his engine with bits of filter element.
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post #26 of 29 Old 08-10-2012, 06:39 AM
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I run Valvoline Max Life 5-w30 in my 02 WJ 4.7 H.O. and change it about every 5K miles. Doesn't leak or burn a drop. I'm happy with it. Used to run conventional 5w30 penz in my Wrangler and it was fine too.

In my WJ, I bought it with 88K miles and now have 111,200K and it's been the Max life that whole time.
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post #27 of 29 Old 08-10-2012, 10:19 AM
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Go get it analyzed and you'll find out just how good (or bad?) it is working for you and your 4.7 HO.
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post #28 of 29 Old 08-10-2012, 04:07 PM
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Amsoil 5w-30 with the Amsoil nanofiber filter. 6000 mile change intervals. I could probably go to 8000 or 10000 miles since rhe oil still looks pretty clean when comes out. But 6000 "feels" long enough so I change it.
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post #29 of 29 Old 08-10-2012, 04:14 PM
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Get a UOA and it'll answer all your questions. In my expierence every engine is different and no matter what anyone else says all 5/10-30 weight oils aren't the same.

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