What is the firing order only cold pack on a 1990?

The firing order for a 1990 model vehicle, specifically referring to a typical V8 engine like the Chevrolet 350, is 1-8-4-3-6-5-7-2. However, if you mean the cold pack (ignition coil pack) firing order for a specific vehicle, please clarify the make and model for a more accurate response. Generally, the firing order is crucial for proper engine operation and timing.