GM Service Manual Online
For 1990-2009 cars only

Application

Specification

Metric

English

Ignition Type

Direct Ignition System

Ignition Timing (BTDC)

Ignition Sequence

1-3-4-2

Spark Plug Gap

0.9-1.1 mm

0.035-0.043 in

Spark Plug Maker

Boach

Spark Plug Type

FLR8LDCU