GM Service Manual Online
For 1990-2009 cars only

Application

Specification

Metric

English

Ignition Sequence

1-3-4-2

1-3-4-2

Ignition Timing

10° (BTDC)

Ignition Type

Direct Ignition System

Spark Plug Gap

0.7-0.8 mm

0.028-0.031 in

Spark Plug Maker

Champion

Spark Plug Type

RN9YC