GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2000 🢒 Firebird 🢒 Engine 🢒 Engine Controls - 3.8L 🢒 Spark Plug Usage

3.8L (L36)

Application

Specification

Spark Plug

41-921

Spark Plug Gap

0.060 inch (1.524 mm)

5.7L (LS1)

Application

Specification

Spark Plug

41-931

Spark Plug Gap

0.060 inch (1.524 mm)