Is there an upgrade for every Duramax truck?
Is there an upgrade for every Duramax truck? If you can only treat your specific Duramax to one upgrade, make sure it’s this one. At this point, there probably aren’t a ton of LB7 trucks still sporting the original injectors they left the factory with, but you can bet there are some. That’s reason enough to make this priority numero uno for ’01-’04 Chevy and GMC HD owners. Which is the best engine for a Duramax truck? There are a ton of bolt-ons that make driving a Duramax-powered ¾-ton Chevy or GMC much more fun than operating a 7,500-pound pickup...