Duramax Diesels Forum Truck of the Week
  #1  
Old 09-09-2010, 02:17 PM
03DuraMax4x4 03DuraMax4x4 is offline
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Default What oil do you use?

I'm brand new to diesels (I've only had mine for a little over a month) and am wondering what oil everybody is using and the change intervals.

I used Castrol and Mobile1 in my 04 Z71, but now I am considering going with the synthetic AMSOIL 15W-40 Heavy-Duty Diesel & Marine.

As far as intervals go, I've been told to change it once the "OIL LIFE" on the DIC shows 20-30%.

Just wondering what everybody else is using.
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  #2  
Old 09-09-2010, 02:27 PM
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rotella 15w-40 i change my fuel filter/tranny spin on/oil every 4500-5000 miles
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  #3  
Old 09-09-2010, 02:40 PM
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Citgo 5-40 synthetic.
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  #4  
Old 09-09-2010, 03:15 PM
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Rotella 15-40 every 5k
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  #5  
Old 09-09-2010, 03:40 PM
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Mobil delvac 1, 5-40 syn.
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  #6  
Old 09-09-2010, 03:55 PM
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Quote:
Originally Posted by Vrabel View Post
Rotella 15-40 every 5k
X2
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  #7  
Old 09-09-2010, 03:59 PM
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Delo 400 15w-40
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  #8  
Old 09-09-2010, 05:11 PM
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A_T_Ver A_T_Ver is offline
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Quote:
Originally Posted by Vrabel View Post
Rotella 15-40 every 5k
Quote:
Originally Posted by countrycorey View Post
X2
X3
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  #9  
Old 09-09-2010, 05:15 PM
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Quote:
Originally Posted by JoshH View Post
Delo 400 15w-40
X2
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  #10  
Old 09-09-2010, 06:16 PM
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DAVe3283 DAVe3283 is online now
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Quote:
Originally Posted by Randy5.0 View Post
Quote:
Originally Posted by JoshH View Post
Delo 400 15w-40
X2
X3, every 5,000 miles
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  #11  
Old 09-09-2010, 06:56 PM
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Quote:
Originally Posted by A_T_Ver View Post
X3
X4. If I let it go that far. I change mine once a month or month and a half at the most. Write off for me so I figure what the hell, I will get it back at the end of the year.
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  #12  
Old 09-09-2010, 07:09 PM
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hondarider552 hondarider552 is offline
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Petro Canada 15-40 every 3k.
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  #13  
Old 09-09-2010, 07:20 PM
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Amsoil 15-40 HD diesel & marine
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  #14  
Old 09-09-2010, 07:35 PM
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x5 on the delo 400 every 5000 or 10K really when the truck says too.
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  #15  
Old 09-09-2010, 07:38 PM
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x MadMAX DIESEL x MadMAX DIESEL is online now
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Usually use rotella, but switched to shaeffers this last change
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