To insert a spark plug into the engine, follow these steps: 1. Clean the spark plug hole in the cylinder block with a clean, lint-free cloth. Wipe away from the hole; don't shove any dirt into it. 2.

AEM Performance Electronics brings sophisticated electronic engine control & coil-on-plug ignition to the 5.0L Ford.

Spark plug wires and distributor (on most Chevy applications and small Mopars, it's best to pull the distributor so you do not smash it on the firewall during engine removal) ...

Q: I have a Ford F-150 with a 5.4 Triton engine with 100,000 miles on it. I have been told it will cost me in excess of $1,200 to replace the spark plugs at a dealership. Is this true?