Originally Posted by Cat 320D LRR
Vortec 4.8L V8
Wouldn't be a bad idea to check into a bully dog or some kind of transmission tune. Remember that truck doesn't have an Allison. I've got an older bully dog unit for my half ton and it pulls my gooseneck without a glitch. Going with a half ton does a great job of keeping your gvwr down and vehicle enforcement off your back.
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