Spark plug thread repair for Ford Triton cylinder heads
The Ford Triton Spark plug holes have been divided into three Types formodel years 1993 through 2005. The drawings below will help you identify each Type. Each individual cylinder head will have the same Type for all spark plug holes.
Gauge FT5CG will help you identify which Type the head is so you can make sure to use the correct installation tooling and can verify if the insert was installed to the same depth as original. Complete information on the use of this tool and installation of the inserts are contained in these instructions.
Full-Torque spark plug inserts for aluminum heads are made of aluminum and are hard anodized to improve the strength and integrity of the threads. They are made of aluminum to insure they will transfer heat from the spark plug the same as original.
Ford Motor has completed substantial dyno testing of Full-Torque inserts to validate and approve their use in aluminum cylinder heads. The chart to the right can be used as a guide only. Some heads manufactured between 1998 and 2003 may not conform to the chart.
Get pdf Spark plug thread repair for Ford Triton cylinder heads
