The firing order is 1-2-3-4-5-6. Facing the front of the car, the "front" three spark plugs are, from left to right; 2,4, and 6. Between the engine and the firewall are the "back" three plugs. From left to right; 1,3, and 5. The DIS coilpack is located on the "front" side of the engine, below the exhaust manifold. The plug wires attach in a straight line, across the top of the DIS coil in this order; 1-4-6-3-2-5.
123456 is the firing order from the GM HAYNES REPAIR MANUEL
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.
the firing order is 123456
123456
15241383936
123456 - 7890 = 115,566
123456 x 17=2'098'752
123456 x 7 = 864192
20576
123456 + 97879887 = 98003343.
Yes - 123456/2 = 61728
123456 * 32 = 3,950,592