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12-31-2016, 04:43 PM
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#57
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Senior Member
Join Date: Nov 2010
Location: Maplesville, AL - Home Base
Posts: 158
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Quote:
Originally Posted by diandtom
I use Rotella also 15-40W and got 77K miles on my 06 Chevy. I change it every 5K miles.
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The same here except GMC and 171,000 miles.
__________________
Ed
KM4STL
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02-03-2017, 11:56 AM
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#58
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Junior Member
Join Date: Jan 2017
Posts: 3
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2006 2500 LBZ, Mobil 1 synthetic diesel oil 15w40, change when DIC gets to around 10%. 152,000 Mi.
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02-03-2017, 11:58 AM
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#59
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Senior Member
Forest River Owners Club
Join Date: Feb 2015
Location: Johnson City, TX
Posts: 1,060
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2003 Chevy crew cab 4x2. 170,000 miles. Shell Rotella. I change it when the truck tells me to.
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2018 Rockwood 2304DS Ultra Light pulled by 2018 Ram 2500 Cummins Diesel 4x4
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02-03-2017, 01:58 PM
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#60
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Senior Member
Join Date: Aug 2013
Location: Denver
Posts: 818
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Quote:
Originally Posted by Sixxgunscott
I have a 2006 Chevy 2500HD with the DuraMax and Allison. It has 155,000 miles. It has the BANKS Airbox, and Monster Exhaust, I was using an Edge Products EEC1000 Chip - set at ECONOMY, but I removed it and returned the system to stock. The reason for removal is that this unit is not CARB approved, and I couldn't get it smogged to comply with CA law. I am now experiencing excessive soot buildup at the tailpipe and degraded fuel mileage - average about 5MPG less than before. I have always used Rotella T6 Synthetic 5-40W which meets all of GM's requirements. I am wondering if I should continue the Synthetic or go back to Dino 15-40 oil. I have no codes on the DIC.
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I have the whole banks kit, intake, exhaust and IQ with tuner and brake, could not be happier.
Use 15w40 whatever, usually Delo or Delvac at 5k. And have an 07 LBZ with 80k almost all towing or hauling. Awesome truck.
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2017 WGO Fuse
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04-22-2017, 09:44 AM
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#61
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Junior Member
Join Date: Apr 2017
Posts: 6
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I prefer Shell 15w40 but good to see the other suggestions
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Carl | Butte, MT
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05-17-2017, 01:42 AM
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#62
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Senior Member
Winnebago Owners Club
Join Date: May 2017
Location: San Diego
Posts: 177
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Chevron Delo 15W-40 in my 06 silverado LBZ. 139K miles. oil and filter changed every 5k miles. have owned it since new.
It's what will go into our new to us kodiak moho and its onan generator as well.
__________________
John & Gina
'05 Winnebago Vectra 40AD Cummins ISL "Big Winnie"
'21 Jeep WK2 or '00 Jeep WJ in tow 
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05-25-2017, 03:37 PM
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#63
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Senior Member
Join Date: Jun 2013
Location: Pa
Posts: 107
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Valvoline premium blue 15-40, mobile 1 filter. 162k. Every 5k or twice a year.
__________________
2008 GMC Duramax 3500HD CC,LB,DRW With some hidin power mods  2007 Mobile Suites 36 SB3
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06-04-2017, 07:32 AM
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#64
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Member
Join Date: Aug 2013
Posts: 35
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Shell rotella t. Is my go-to oil. Been running light ad's heavy duty diesels for many years...have had no oil related issues.
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06-04-2017, 08:06 AM
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#65
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Senior Member
Join Date: Sep 2004
Location: Washington
Posts: 255
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I just bought 3 gallons of rotella synthetic for the upcoming oil change.
chevman
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06-19-2017, 03:24 PM
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#66
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Junior Member
Join Date: Jul 2015
Location: Travel
Posts: 19
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Quote:
Originally Posted by Michaelnstac
Hat oil do you use in your Duramax, how many miles are on it and what year is it?
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2007 (1/2). 6.6 with 298,000 miles. Used 15w40 Rotella most of the truck's life. 15,000 miles ago switched to syn Rotella. I change the oil around 8000 miles.
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Chevy 2500HD 6.6 2007, Bay Hill 320RS 2015
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06-19-2017, 05:09 PM
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#67
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Senior Member
Join Date: Sep 2004
Location: Washington
Posts: 255
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The engine in this picture will soon get another fill of Rotella 5/40 synthetic.
chevman guess no picture
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10-25-2017, 06:54 PM
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#68
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Registered User
Join Date: Oct 2017
Posts: 4,985
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06 LBZ Duramax with 310,000 miles of mostly heavy towing, change oil at 5,000 miles when DTC shows %50, fuel filter at 10,000 miles when DTC shows %30, Rotella T6 5W40 synthetic, also used on motorcycles
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10-25-2017, 07:50 PM
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#69
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Senior Member
Join Date: Jun 2016
Posts: 839
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Quote:
Originally Posted by ksmith
2007 silverado 2500hd 116,000 miles. Previous owner used Mobil 1 Turbo Diesel 5w20
I continue to use it and change every 10,000 miles or earlier. Get 16.9 mpg no load.
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Try using Lucas fuel additive. I get 18/19 city 20/22 highway 05 lly duramax Allison crew cab long bed Lt Silverado 2005. I get10.5 to 11.8 towing a 40 foot Landmark Rushmore fifth wheel
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10-31-2017, 06:37 PM
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#70
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Senior Member
Monaco Owners Club
Join Date: Nov 2015
Location: North Dakota
Posts: 110
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Rotella. The best
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