This is an excellent, four-page 1972 Jeep all-model 232, 258, 304 and 360ci extensive and complete Tune-Up Specifications and engine codes from Sun Electric (the tune-up expert’s!) including the following procedures for both Manual and Automatic transmission vehicles: 

Idle speed, Timing/carburetor adjustment chart, Firing order w/schematic, Battery, Charging system, Idle, Dwell, Ignition Timing, Ignition advance, Spark plugs, Carburetor ID, Fuel pump, Distributor’s, Vacuum/mechanical advance, Ignition coil, Ignition current, High-tension wire resistance, Cranking circuit resistance, Starter current draw, Alternator, Regulator, Charging circuit resistance, Operating voltage test, Diode testing. Also includes A/C specs & pressures/capacities.  

This is must-have information for anyone who has one of these neat vehicles and is especially useful if you are trying to keep it maintained. These are copies of original 1972 Sun Tune-Up service documents that I have put in logical order for this vehicle line. Easy to read!! Coming from a smoke-free home, I will carefully pad, pack and ship. Please check out my other items and be sure to add me to your favorites list for more neat car/truck/tractor/motorcycle/airplane stuff. God Bless!