duramaxdieselspecs.com Duramax Diesel Specs | 6.6L Duramax Diesel Resource
6.6L Duramax diesel resources for GMC/Chevrolet diesel pickup owners and prospective buyers. Duramax engine specs, history, hp/torque timelines, & much more. Covers all generations of the Duramax diesel - the Duramax LB7, LLY, LBZ, LMM, LML, and long...