The correct firing order for a 1983 Pontiac Grand Prix with a 3.8 liter engine is 1-6-5-4-3-2. The distributor rotates clockwise The number 1 cylinder is the front right followed by 3 and 5. The number 2 cylinder is the front left followed by 4 and 6.
The firing order for the 2002 Pontiac Firebird 3.8 liter FI OHV 6-cylinder is 165432. You can view a diagram of the firing order on the AutoZone website. Select your make and model, and click on Repair Help.