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Old 12-29-2015, 09:54 PM   #43
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I'll be looking out to see your results. Happy thoughts.
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Old 01-02-2016, 11:17 AM   #44
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I also use Shell Rotella in everything , From Semi Truck's to my Harley
Great product , not overprice like Amsoil
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Old 01-12-2016, 06:58 PM   #45
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mobile 1 5w40 synthetic 06 dually with heavy tow tune
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Old 02-04-2016, 08:44 AM   #46
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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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Old 02-29-2016, 09:13 PM   #47
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Quote:
Originally Posted by Larry Barnhart View Post
Mobil 1 synthetic for 05 duramax with 52000 miles.
chevman
Changed to Rotella 5/40 synthetic and now 82000 miles.

chevman
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Old 03-18-2016, 12:53 PM   #48
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Mobil 1 Truck Diesel Oil 5W-40
2006 LLY
125k miles
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Old 03-20-2016, 08:42 PM   #49
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When I bought my 2004 in 2007, (50,000 mi) previous owner had been using Shell Rotella 15w40 I continued that till had injectors redone at 120,000 miles 2 yrs ago (LB7) Chevy dealership put in Delvac 15w40 been running that since, doesn't use oil between changes, getting 18-19 mpg empty, 10-12 pulling 5th wheel. Baldwin filter.
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Old 03-27-2016, 06:52 PM   #50
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mobile 1 synthetic 5w40 06 cc dually 3500 lbz engine150,000 miles when ever DIC tells me i'm at 0% oil life
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Old 04-26-2016, 02:43 PM   #51
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Rotella T 15/40 anywhere from 25%-35% on DIC.
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Old 07-13-2016, 05:37 PM   #52
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I use Amsoil i have over 250000 miles i go 6000 miles do filter change add a qt of oil a than another 6000 its the best stuff i have ever used
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Old 08-18-2016, 01:06 PM   #53
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2005 lly duramax running rotella t 5 w 40 $21.00 pr gal and Lucas fuel additive also $21.00 a gallon at rural king in Florida. I have 209 k
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Old 11-16-2016, 09:56 AM   #54
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Amsoil

Was using dealer oil during comp. oil changes. Now I will switch to Amsoil. More expensive but I think well worth it. I will also be sending an oil sample for testing every change.
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Old 12-27-2016, 11:46 AM   #55
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2002 6.6L DRW CC used specifically for towing fifth wheel trailer. Rotella 15w/40 @ 5000 mile intervals.
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Old 12-28-2016, 09:23 AM   #56
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Amsoil.
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