Duramax 2001-2007, LB7, LLY, LBZ, Upgrades and Failures
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Paul Wilson and Chris Ehmke go back and talk about how each Duramax RPO when released was revolutionary. While each RPO did have its weak points, the guys discuss which models are overrated and underrated. The results may shock you!
Duramax 2001-2007, LB7, LLY, LBZ, Upgrades and Failures