Operation CHARM: Car repair manuals for everyone.

Spark Plug Gap


Spark Plug Gap 4.0L v6 1.32-1.42 mm (0.052-0.056 in.)
Spark Plug Gap 4.6L v8 1.15 +/- 0.13 mm (0.040-0.050 in.)
4.6L 3 valve V8 Spark Plug Gap is not adjustable