Automotive/Engine Jan 26, 2017 10:02 am VIDEO: The Worst Spark Plug Jobs (Part 2) Share Tweet Print Email Andrew Markel,authorView bio Bio Recent Posts Popular Posts Toyota D-4S: Port Fuel Or Direct Fuel Injection? Why Not Both?Test, Bleed, Flush: How Can You Protect The Brake System?VIDEO: Why Replace Both Calipers When Just One Goes Bad?VIDEO: Symptoms Of A Head Gasket LeakAir Ride Diagnostic Questions Air Management Systems: Controlling Air From The Throttle Body To The Combustion ChamberVIDEO: Why Do Rotors Corrode On The Inside First?10 Tips For Serpentine Belt System Inspection And ServiceParking Brake DiagnosticsVIDEO: Choosing The Right Brake Friction Andrew Markel finishes the list of the six most difficult spark plug jobs you may have already dealt with. This video includes the ’67-’69 Ford Mustang, the Chevy Monza, and the AMC Pacer. Video courtesy Underhood Service. Watch The Worst Spark Plug Jobs (Part 1).