Assuming you have all the original parts, check on top of the intake manifold (remove the air cleaner) and it actually should be casted into the intake.
1-8-4-3-6-5-7-2
A note to add, on my 2 Cutlass S's...the distributor moves COUNTER clockwise. 99.999999% sure it will apply to yours as well.
"What is the firing order on an 1994 Oldsmobile cutlass supreme 3.4L engine?"
The firing order for a 1990 Olds cutlass supreme 3.1litre is 1, 2, 3, 4, 5, 6. The number one cylinder is closest to the pulleys on the left as you face it.
143625
All 3.1 engines have the same firing order - It is 1,2,3,4,5,6
123456 is the firing order from the GM HAYNES REPAIR MANUEL
The firing order for the 1996 Oldsmobile Cutlass Supreme SL is 1, 2, 3, 4, 5, 6. This is for the 3.1 Liter V6 engine.
1-3-4-2
1-3-4-2
1-3-4-2
1-4-6-3-2-5
The 1988 Oldsmobile Cutlass Ciera with a 2.0L engine is actually a 4-cylinder vehicle, not an 8-cylinder. For the 4-cylinder engine, the firing order is typically 1-3-4-2. If you were referring to a different engine configuration or model, please specify for accurate information.
The firing order for a 1987 Cutlass Cierra with a 2.5L is 1, 8, 4, 3, 6, 5, 7, 2. When you face the car the number one cylinder is on the front left.