I like to keep my WW2 jeep in tune.  Here is the right way to do it!


As pictured above you should start with: Sparkplugs, Battery/Ignition Cables, Distributor, Ignition Timing, Valve Clearance, Carburetor. It’s important to work through the steps and systems to ensure that you locate the source of the problem.

Source: OS 9-72 vol 1, April, 1945 and Willys Mechanics Manual, 1948. For more: