GM Service Manual Online
For 1990-2009 cars only

Ignition System Specifications

Application

Specification

Metric

English

Ignition Type

Coil Per Cylinder

Firing Order

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

Primary Coil Current

6.5 Amps

Spark Plug Gap

1.27 mm

0.050 in

Spark Plug Torque

17-23 N·m

13-16 lb ft

Spark Plug Type

GM--12561466

AC Delco--41-937