View Poll Results: What oil is in your engine?
Mobil 1
251
32.51%
Royal Purple
123
15.93%
Amsoil
57
7.38%
Valvoline Full Synthetic
86
11.14%
Pennzoil Synthetic
36
4.66%
Castrol Synthetic
65
8.42%
Quaker State 4x4
17
2.20%
Havoline Synthetic
2
0.26%
Other Full Synthetic
29
3.76%
Whatever the Dealership sticks in
28
3.63%
Synthetic Blend (specify in a post)
20
2.59%
Conventional (dino) oil (specify in a post)
58
7.51%
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Motor Oil

 
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  #101  
Old 01-05-2011, 09:15 PM
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As a Stock Car driver myself we only use mobile 1 in everything.. even the race car. Well now we use Joe Gibbs racing oil but that's not for a hemi lol.. MOBILE 1!

Tony Stewart!
 
  #102  
Old 03-27-2011, 01:22 AM
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I've used Amsoil 0w-30 since 06 (about 50k on odo) and today I'm about at 198k...change it every 25-30k miles (Amsoil intervals with oil bypass system)...
 
  #103  
Old 03-27-2011, 01:46 PM
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Mobil 1 with Lucas synthetic additive and Fram filters.
 
  #104  
Old 04-09-2011, 10:45 PM
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just did my first oil change (me personally, shops all the others), and put Royal Purple w/ purolator filter in it. saw a 1mpg increase. i have a 4.7. runs tip top. now on to the plugs this week
 
  #105  
Old 04-20-2011, 01:06 AM
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I just changed mine and am presently running Mobil1 with a K+N Filter. Will run Amsoil when I become a dealer for it. The reason for this is because of what I saw with my Harley. I run Amsoil exclusively in my Harley now, and it made a HUGE difference in oil temperature in the oil tank. The temp dropped 15 degrees changing from Mobil1 V-Twin oil to Amsoil. So yeah, the Ram will get Amsoil as well. Can't say enough good things about Amsoil.

Ripper
 
  #106  
Old 05-17-2011, 10:18 AM
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Quaker State 0W-40, in a Durablend if possible.
 
  #107  
Old 05-20-2011, 11:33 PM
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I run Royal Purple across the board Eng, Trans, and Rear end. I use a K&N filter and every 4k or so. Even though we are mostly using Synthetics, it still gets just as dirty as if you were using Dino oil. Why take the chance?
 
  #108  
Old 07-12-2011, 05:08 AM
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Mobil1... I just changed mine after 5k. My '03 has 175k on it. Still fairly clean..Meaning it was not black or much different color from fresh. I believe I use the Fram 6X filter the last couple of changes.
 
  #109  
Old 09-06-2011, 07:35 PM
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Just wanted to bump this up for some opinions. My '06 with the HEMI (and MDS) is throwing a P1521 code (incorrect oil viscosity) and I'm actually running Penzoil Platinum 5W-20 (changed about 2.5K ago). Has anyone else had this issue?

If not, what oil and weight are you using in your MDS-equipped HEMI trucks?

Thanks!

Edit: After I replaced my EGR valve (was also getting a fault code on that), the P1521 code went away, as well. Also checked my logs and the oil was changed about 1.5K ago, not 2.5K.
 
  #110  
Old 09-11-2011, 09:07 AM
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Haven't seen that at all. I've been using the 5 20 in my mds 1500 and I run it pretty hard and tow about 7000lbs with it at 70-75mph about 5 times a year.
 


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