It varies by engine.
Yes, you do.
Yes
The firing order for a 1986 Oldsmobile Cutlass Ciera 2.8 V6 is 1, 2, 3, 4, 5, 6. The number one cylinder is on the front left as you face the engine compartment.
in the dash panel
My 1986 cutlass supreme w/307 was smoking bad, and I tore the motor down and the rings were shot.
You need to be more specific. They share a high parts similarity, but they are not entirely identical, and it also depends on which engine each is equipped with.
R12
5x4.75
My 1986 Olds Cutlass Calais doesn't have a serpentine belt. It has a separate alternator belt. How do I change it?
Should be in a removable housing at the engine end of the upper radiator hose
I do not think there is one. I belive its fuel injected. I have a 88 and its fule injected.