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  1. M

    Mobile CI-4+ in Cummins 5.9L

    Just spoke to Texas Refining. Their Pro-Spec III CI-4+ synthetic blend is $133.65 for a 6(six) gal pail, if you spend over $375, making it $22.25 per gal. $148.50 is their retail for 6 gal pails. They also provide no-cost (shipping only) used oil analysis samples if you are running their...
  2. M

    Mobile CI-4+ in Cummins 5.9L

    Thanks m37charlie for those tips. The TRC Prospec III looks very good from their info. Plus its a synthetic, while the Delvac MX F2 is conventional. They tout a TBN of 15, which is the highest I've seen. The Amsoil CI-4+ rates a TBN of 12. The Amsoil is $42 a gallon. Ouch. The Delvac MX F2...
  3. M

    Mobile CI-4+ in Cummins 5.9L

    I called AgCrazy. They have it at $57 for 5 gal pail, but charge a lot for shipping, so no real savings unless you could pick it up from them. The Lubricant Store offers free shipping on orders over $300, so at 5 5-gal pails they send it to you at no charge. $72 for 5 gals for the Delvac MX F2...
  4. M

    Mobile CI-4+ in Cummins 5.9L

    I run a 2006 RAM 3500 with the 5.9L Cummins, 6spd Manual. Years ago I bought a pallet of Delo CI-4+ 15-40 in 5 gallon pails. I did this when the industry first made the move to CJ oils, and all the concerns about the pre-2007 diesels at that time. So my truck has only run CI-4+ oil since it was...
  5. M

    New Oil Or Grease You Want To Try In 2018 ?

    I'm interesting in trying the Mobilgrease 28 Aviation Grease. For automatic slides. I learned of it here: https://www.amazon.com/Mobil-28-Grease-S...QADFYMXA0MVK4AM From the Mobile site: -High resistance to water washout Maintains excellent grease performance in adverse weather and other...
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