Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the logical successor to CHARM, I recommend you try it!

Link: lemon-manuals.la

General Specifications

Spark Plug Gap 4.6L v8 Early Build Black Coil Boot 1.15 +/- 0.13 mm (0.040-0.050 in.)
Early Build 4.6L 3 valve V8 Spark Plug Gap is not adjustable
Spark Plug Gap 4.6L v8 Late Build Brown coil boot 1.05 +/- 0.05 mm (0.039-0.043 in.)