HOW TO- Tune up, Gap spark plugs and understand proper heat range ( ...
Some guide lines to follow, when Changing your spark plugs.Justieren des Elektrodenabstandes und das richtige verstehen des Wärmewertes" ...

Some guide lines to follow, when Changing your spark plugs.Justieren des Elektrodenabstandes und das richtige verstehen des Wärmewertes" ...
Quick and easy gapping using feeler gauge and pliers. Car used 2004 Scion xB.
Getting ready to tune up the 99 Taurus. I removed one plug just to check it out. Look at the gap on this plug!! It looks like 100 thousands or ...