Question about 1994 Chevrolet Suburban

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Changed plugs and wires will not run correctly.

Plugs wires are set to firing order 18436572 with number one being on driver side front along with 3,5,7. distributor number one stud pointing toward number one cylinder hope thats right figure firing is clockwise.
1994 Chevrolet suburban 350.
runs but runs poorly.

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Double check , crossing is easy if you cannot see the routing planely . Did you have the cap off , if so is it sitting propperly, down all the way , if it is slightly ascue it will run funny .

Posted on Dec 09, 2008

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I don't know your year--make--model? You should be able to remove dist cap, crank the engine, watch which way the rotor turns, then you know the direction of rotation. Most chevy rwd v8, firing order, 18436572. The driver side bank is odd numbered, 1357.
The passenger side bank is even numbered, 2468 from front to back. Put your number one piston on tdc of compression stroke. Then whichever spark plug tower the rotor is leading into, should be number one, then you follow the firing order around the cap.

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But, depending on who made the engine, the firing order may go cw or ccw around the cap. You need to check which way the rotor turns when you crank it, then follow the firing order in that direction. Sometimes the number 1 spark plug tower is marked on the cap, if not, put the number one cylinder on top dead center of compression stroke, which ever coil tower the rotor is leading into is number one, then follow the firing order in correct direction of rotation. You driver side cylinder bank should be numbered, 1357 from front to back, passenger side 2468, front to back.
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