Postings here should be Duramax 6600 engine related only. We have been moving lots of erroneous postings lately, and would appreciate your attention.

Part of this is alot of newbies, which is a good thing, and errors are to be expected...

Exhaust and anything performance related goes under: Duramax Diesel Performance Shop

Mechanicals, including brakes, AC, power steering, 4WD, ABS goes under: 2500/3500 Trucks and Drivetrain