Normally, when issues like damage and high mileage make replacing the cylinder heads on a 6.6L Duramax diesel engine necessary, most people use rebuilt stock heads. This has been the standard practice ...
General Motors has been using Duramax diesel engines in certain workhorse models for nearly a quarter century. The 6.6-liter V8 version which powers Chevy Silverado 2500/3500HD and GMC Sierra Heavy ...
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