Every month, we will share helpful information and/or tech tips so that you can diagnose and repair your engine to get you back to work. This tech tip revolves around a Cummins QSB 3.3 4-Valve Engine and how to know when it is time to upgrade to our Overhaul Gasket Kit that covers a complete overhaul!  Cummins QSB 3.3 4-Valve Overhaul Gasket Kit, Aftermarket – 4309433 A couple of indicators include Smoke coming from the engine Power Loss Overheating Problems Misfire on a cylinder   If you believe you have … Continue reading Tech Tip Of The Month- Cummins QSB 3.3 Overhaul Gasket Kit