2007 Chevy Silverado HD Duramax,Diesel Allison Transmission

The 2007 Duramax combo is an awesome drivetrain because it was the end of the pre emissions era reason. 2007 was the culmination of a few years of improvements. By 2007 They had really gotten it right.
Emissions and all the complexity and reliability issues that go with it began in 2008.
Pre-Emissions is what makes that truck so special and very desirable.
Hold on to it . It is really a easy decision.