Cummins Forum
A forum community dedicated to Dodge Cummins Diesel truck owners and enthusiasts. Come join the discussion about reviews, drivetrain swaps, turbos…
Diesel Bombers
Diesel Bombers – Diesel Forum – Dodge Cummins, Chevy GMC Duramax, Ford Powerstroke, And All Diesel Enthusiast Community
maxxTORQUE
Online Diesel Community featuring news and articles on 6.2L, 6.5L and Duramax GM diesel engines, Ford Powerstroke, Chevy Cruise, lubrication and more.
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.
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.
Big Mack Trucks
Antique, classic and modern Mack Truck Support Forums!
Full Size Chevy
Full Size Chevy truck forums for the Chevy truck enthusiast.
Brockaway Trucks
Home of the Brockway Truck Preservation Association – Bulletin boards and museum
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!
iATN
Learn from your peers in our interactive environment, by asking questions and searching millions of real-world discussions and repairs. Discover how to work more efficiently, and study best practices illustrated by fellow industry professionals. Get the most out of your diagnostic equipment, and transport your career to the next level.