Oil preferences - Page 2 - JeepForum.com

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post #16 of 38 Old 06-18-2013, 08:39 AM Thread Starter
DuckRunner09
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Haha that's great! I wanted so bad to run rp but in the end I went with Pennzoil platinum full synthetic with a wix filter. Was about to get mobile one but the guy at oreillys advised me against it even though I wasn't even buying my oil from them.


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post #17 of 38 Old 06-18-2013, 09:03 AM
duneslider
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I have been really happy with castrol gtx 5w30. I personally think 5w20 is too thin and the expensive mobil 1 only netted me 58k in my first engine. That was also my first time choosing to use synthetic because I thought it would be better.

I could never say that the oil was the reason my engine went south but I realized I poured a ton of extra money into oil for no reason. I ran the cheapest oil I could (meeting spec) in my dodge truck and had 175k problem free miles on that thing.

So, my completely worthless opinion is use whatever you feel comfortable spending your green on. I no longer feel synthetic is worth the money if it isn't required and you change at good intervals (3-4k).

However, the hemi in my commander nets me slightly better mpg with mobil 1. Still trying to decide if it is worth it in there too.
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post #18 of 38 Old 06-18-2013, 10:07 AM
toxicwaste29
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mobil 1 syn all day
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post #19 of 38 Old 06-18-2013, 10:54 AM
MrFusion
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Valvoline Synpower 5W-30 for my Jeep. Changing every 6K just to stay in warranty.

Oh, and Mopar filter.
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post #20 of 38 Old 06-18-2013, 01:13 PM
CooterBrown
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Royal purple and a k and n filter

1965 CJ-5 all stock minus the tub

2010 rubicon JK
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post #21 of 38 Old 06-18-2013, 09:05 PM
jkode87
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I always go with a Synthetic and OEM filters. I work at a dealer though so it's cheap, like 15.99 a change
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post #22 of 38 Old 06-18-2013, 11:15 PM
SubAtomicGenius
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Synthetic, usually when on sale: Mobil 1 or Castrol, OEM filters at $4.75, recommended intervals or whenever I'm feeling like it.
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post #23 of 38 Old 06-24-2013, 10:57 AM
Godholio
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Valvoline Synth (usually goes on sale a couple of weeks before I do the change) and Wix filters.

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post #24 of 38 Old 06-24-2013, 12:37 PM
AlbertaJeeper
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Quote:
Originally Posted by SubAtomicGenius View Post
Synthetic, usually when on sale: Mobil 1 or Castrol, OEM filters at $4.75, recommended intervals or whenever I'm feeling like it.
Just curious, are you saying the Jeep recommended intervals or that of the oil?
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post #25 of 38 Old 06-24-2013, 03:22 PM
slider_68
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Here's an FYI for the Mobile 1 guys, The newer version of Mobil 1 5w20 (ISLAC GF-5) doesn't currently meet Chrysler MS 6395 because of testing requirements
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post #26 of 38 Old 06-24-2013, 04:42 PM
jchappy
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i use Mobile 1 but whatever oil you use be sure you get a filter thats has a back flow valve to prevent valve ticking at startup

MY NEW JEEP- 2011 JEEP JKUR, Body Armor front bumper, Warn XD9000I winch, Synthetic winch line,XRC Rear Bumper W/Tire carrier, OBA W/1Gal Tank, Terafex 2.5in spring lift, Bilstein 5100 shocks,GY 315/70R17 Duratracs, 4.88 G2 gears, Cobra 75 CB

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post #27 of 38 Old 06-24-2013, 05:19 PM
Breitling
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I ran Pentastar on 2011 Grand Cherokee for 3 years with Mobile 1 5w30/synthetic and I will do the same on my new JKU.

2013 Jeep Wrangler Unlimited Sport S, hardtop, white, duratracs, tons of mopar parts
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post #28 of 38 Old 06-24-2013, 05:54 PM
AveCat
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I run Royal Purple.

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post #29 of 38 Old 06-24-2013, 07:50 PM
RainmanEOD
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Does Mobil 1 5w-30 full synthetic meet requirements? (Currently what I'm running) and what makes an oil not meet chryslers requirements? I'm not in warranty anymore so it doesn't really matter just want to know for my own SA.
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post #30 of 38 Old 06-24-2013, 08:13 PM
Jiblet
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Quote:
Originally Posted by RainmanEOD View Post
Does Mobil 1 5w-30 full synthetic meet requirements? (Currently what I'm running) and what makes an oil not meet chryslers requirements? I'm not in warranty anymore so it doesn't really matter just want to know for my own SA.
The chrysler spec requires two-years of testing. So any new formulation won't meet the spec until the test period is completed.

don't worry, it will.
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