Wow! Thanks for all the opinions guys. I am running Delo now and was just kicking around the idea of changing. I can get the Mobil 1 for cheap so i thought i'd ask. I thought I read that RP was not recommended by Cummins. I can get that also.
1 - 2 of 28 Posts
This is an older thread, you may not receive a response, and could
be reviving an old thread. Please consider creating a new thread.
A forum community dedicated to Dodge Cummins Diesel truck owners and enthusiasts. Come join the discussion about reviews, drivetrain swaps, turbos, modifications, classifieds, builds, troubleshooting, maintenance, and more!