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post #1 of 13 (permalink) Old 06-17-2017, 04:00 PM Thread Starter
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Aftermarket synthetic oil

Are all of you members using Mopar factory syn oil or are some of you using aftermarket like Amsoil and such? Thanks.

Mark
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post #2 of 13 (permalink) Old 06-17-2017, 04:03 PM
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Garage
Oil

Valvaline 5/20 Full Syn..


Swanny
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post #3 of 13 (permalink) Old 06-17-2017, 04:55 PM
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Mobil 1 Extended Service Full Synthetic.

2006 Steel Blue 5.7L HEMI Limited 4x4 Build Date: June 9, 2006 Hour 14
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post #4 of 13 (permalink) Old 06-17-2017, 05:23 PM
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Join Date: Feb 2016
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Question Extended Service

I think my oil is called High Mileage at 75,000, that may have been true 20 years ago but that seems a bit early with today's engines. I have 94,000 and don't feel it is in the high mileage group, anyone know the new cut off and the advantage or disadvantage?


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post #5 of 13 (permalink) Old 06-17-2017, 06:33 PM
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I switched to valvoline full synthetic. I was running mobile 1 but it kept disappearing. Valvoline seams to stick around better.


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post #6 of 13 (permalink) Old 06-17-2017, 06:51 PM Thread Starter
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Join Date: Jun 2017
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If 4WD - system: QT-II
Current Mileage: 147,000
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Thanks all for your replys, have you noticed any benefits from doing so? How about your differentials has any been using aftermarket syn oil there? Thanks.
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post #7 of 13 (permalink) Old 06-18-2017, 03:56 AM
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Bought my jeep with 26,800 miles on it in 2012 and immediately put Royal Purple 5w-20 in it. Have run that ever since with oil changes every 7500 miles (give or take 200 miles) with either K&N filter or WIX filter. It has 163K on it now and other than an initial tick at startup that is just a slight exhaust leak from the infamous header bolt issue, it still runs like a top.


At 65K i swapped out the differential fluids with Royal Purple 75w-140, and both the transmission and transfer case fluids with Castrol Transmax ATF+4 Automatic Transmission Fluid.

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post #8 of 13 (permalink) Old 06-18-2017, 12:35 PM Thread Starter
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Join Date: Jun 2017
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4WD
If 4WD - system: QT-II
Current Mileage: 147,000
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Quote:
Originally Posted by rifle View Post
Bought my jeep with 26,800 miles on it in 2012 and immediately put Royal Purple 5w-20 in it. Have run that ever since with oil changes every 7500 miles (give or take 200 miles) with either K&N filter or WIX filter. It has 163K on it now and other than an initial tick at startup that is just a slight exhaust leak from the infamous header bolt issue, it still runs like a top.


At 65K i swapped out the differential fluids with Royal Purple 75w-140, and both the transmission and transfer case fluids with Castrol Transmax ATF+4 Automatic Transmission Fluid.


Thanks for this Rifle I have a front axle seal leaking and I need to add some fluid to the diff and the p.o doesn't know what the oil change shop used when they serviced it. However I do have some Chevron gear oil that I use in my Mack dump that is suppose to be safe mixed with synthetic oil I'll have to go and read the specs. on it. I have a 95 Dodge 1 ton and it has the 5 spd. trans. and you here these story's about if you don't use Mopar trans. fluid you'll blow your trans, thanks again Rifle.
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post #9 of 13 (permalink) Old 06-18-2017, 05:19 PM
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Join Date: Feb 2016
Location: Cement City, Mi.
Own a Commander?: Yes
Model year: 2010
Trim Package: Limited
Power-Train: 5.7L V-8 Hemi
4WD
If 4WD - system: QD-II
Current Mileage: 99,000
Posts: 294
Garage
Fritcion additive

There is a chance that you need to add some friction additive, depending on your drive line needs. I know QD-2 needs it.

Swanny
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post #10 of 13 (permalink) Old 06-18-2017, 07:50 PM Thread Starter
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Join Date: Jun 2017
Location: Fowler, Ohio
Own a Commander?: Yes
Model year: 2008
Trim Package: Limited
Power-Train: 5.7L V-8 Hemi
4WD
If 4WD - system: QT-II
Current Mileage: 147,000
Posts: 100
Well I think I just figured out how I'm getting the to small of a post. Almost every time I post and do a quote is when I have this problem.

Not so lucky Inferno my big Hemi came equipped with the little QT2's at least that's what I know about it so far it does have the 10 bolt rears.

Mark
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