brooks379 wrote:Were is everyone getting their info on Shell T - 6 being approved ? Any links ? Here..... https://www.fcsdchemicalsandlubricants.com/main/additionalinfo/dieseloilsWSSM2C171F1.pdf
Traded my 2011 GMC 3500 last winter for a 2016 F-350. Nox sensors, couple DEF tanks, Last time it was in the shop they replaced the DEF tank, I drove it 70 miles and check engine light and poor quality DEF was on again. All of this in 40K miles. Tra...
PRodacy wrote:You may also want I consider that the 8.1 may have the Allison transmission, which is probably way more rugged and reliable than anything you'll get with the smaller engine. No Allison behind the 8.1 in the Suburban and Avalanche, onl...
Just towed 16000# LQ horse trailer 1000 miles, took 3 gallons of DEF to top off, DEF was full beginning of trip. 2011 GMC ext. cab 4x4 duramax/Allison. Truck averaged 9.3 mpg, kept speed at 67 mph and below. That's around 107 gallons of fuel, DEF u...
