Heartland Diesels
Heartland Diesels – Your Central USA All Diesel Club. This site came about because of the great people we have met at diesel meets and what a great (small) group of people we have in Oklahoma.
Cummins Forum
A forum community dedicated to Dodge Cummins Diesel truck owners and enthusiasts. Come join the discussion about reviews, drivetrain swaps, turbos…
Bob Is The Oil Guy
A comprehensive resource about oil. Great information about mineral and synthetic oils including a forum for discussion and questions and advice.
Diesel Place
A forum community dedicated to Chevrolet and GMC diesel truck owners and enthusiasts. Come join the discussion about duramax engines, performance, builds, modifications, classifieds, troubleshooting, maintenance, and more!
Duramax Forum
A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. Come join the discussion about modifications, towing, classifieds, troubleshooting, maintenance, and more!