Chevy and GMC Duramax Diesel Forum banner

valve train

  1. 01-04.5 LB7 Duramax Powertrain
    Starts up with ease no matter the temperature (has started with ease without being plugged in when the temp was around 10 degrees F). No smoke when starting (unless cold/ engine temp below 120 on temp gauge). White smoke when I accelerate quickly getting on the highway (when engine temp is...
Top