gm v8's have been for an incredibly long time -- 1-8-4-3-6-5-7-2
most say it on the intake manifold somewhere, though not always.
cylinder banks are odd numbered on the drivers side starting near the front of the car. so the drivers side forward most cylinder is 1. starting at the front of the engine working back on the drivers side, cylinders are numbered 1-3-5-7. cylinder banks are even numbered on the passenger side of the car, so the passenger side forward most cylinder is number 2. starting at the front of the engine on the passenger side working your way back, cylinders are numbered 2-4-6-8. distributor rotation is clockwise.
Which engine?
The firing order for a 1985 Chrysler Fifth Avenue with a 318 c.i. engine is 18436572.
Knowing the firing order to the engine of a vehicle can come in handy. A 1985 Cadillac Cimarron with a v6 engine has a firing order of 1-2-3-4-5-6.
What engine??
The firing order is 1-6-5-4-3-2
The firing order for a 1985 Buick LeSabre 5.0L is 1-8-4-3-6-5-7-2. This same firing order is used throughout the 1982-1985 Buick LeSabre's with a 5.0L engine.
A person should know the firing order of their vehicle. The firing order of a 1985 Mercury Grand Marquis engine is 1-5-4-2-6-3-7-8.
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Please repost with the engine size (4cyl or V6) there should be an emissions label on the radiator (or close by) that has the firing order on it.
If it is a 350 V8 the firing order is 1-8-4-3-6-5-7-2 All V8 Chevrolet engines have the same firing order. 1,3,5,7 is on the left side and 2,4,6,8 is on the right with the distributor turning clockwise.
The firing order is : 123456 # 1 will be on the left side front, nearest the pullys as you look at engine.
The firing order should be embosed on the intake manifold. On the top of it close to the front of the engine viewable just by looking at it from above.