GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2004 🢒 GTO 🢒 Engine 🢒 Engine Controls - 5.7L 🢒 Ignition System Specifications

Application

Specification

Metric

English

Firing Order

1-8-7-2-6-5-4-3

Spark Plug Gap

1.01 mm

0.040 in

Spark Plug Torque

15 N·m

11 lb ft

Spark Plug Type

GM P/N 12571164

AC Delco P/N 41-985

Spark Plug Wire Resistance

700 ohms per ft