JRG18
Senior Member
Needle shows 3/4 tank. I bought it in January and have driven about 2200 miles.
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Speaking of DEF, which brand do you guys use? A buddy of mine also has a 3500, and he said I better us Ultrapure or I'm asking for problems. He said his system needed to be replaced because he didn't use Ultrapure from the get go.[/QUOTE ]
I dont think it matters all that much as long as you dont use the dollar store brand. lol. Just make sure your at the iso standard - have a urea concentration of 32.5%
My 2500 CTD has 39,000 miles on it now. Just over 5,000 since I bought it with about 1,000 miles of towing and I might have used about 4 gallons. I was apprehensive about DEF usage before I bought a diesel but it is really a non-issue.When I was working at O'Reilly Auto Parts, I sold a lot of Peak Blue DEF, especially when it went on sale 2/$25. (Currently 2/$26). Also sold O'Reilly brand to several customers. Never heard of a complaint with either. I had three years behind the counter. When i took delivery of out 3500, it had half a tank of DEF and the dealer through in a 2.5 gal jug. I did one 300 mile camping trip during Dorian (waste of time & $) and it barely moved. Topped it off for the scheduled trip the following week and used less than a 1/4 tank in 700 miles. Still breaking in I guess.