Question about 1993 GMC Sierra K1500

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What is the distributor firing order for a 350 1993 gmc

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1-8-4-3-6-5-7-2. Distributor turns clockwise. Number 1 is at the 5 oclock position looking from the radiator.

Posted on May 31, 2010

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The firing order should be stamped on the intake manifold itself.

Posted on May 31, 2010

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1 Answer

Firing order for a Gmc sierra 1997


Firing order is cast on toip of manifold. For 4.3 order is 1-6-5-4-3-2. For V-8 order is 1-8-4-3-6-5-7-2. Number one position on distributor will be at 5:00 on he clock dial.

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Distributor firing order for a flat cap


What engine is in the vehicle ??

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I mixed up my spark plug wires i changed the distributor cap and rotor and spark plug wires but i mixed them up can any one help me


You can google the engine size and "firing order" to get a drawing or photo of the firing order online.
Example - - 1990 GMC 350 firing order diagram

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Firing order for a 1993 GMC Suburban?


1988-95 4.3L Engines Firing Order: 1-6-5-4-3-2 Distributor Rotation: Clockwise


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1988-95 5.7L and 7.4L Engines
Firing Order: 1-8-4-3-6-5-7-2 Distributor Rotation: Clockwise


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Feb 24, 2011 | 1993 GMC Suburban

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I need to know the timing marks for installing the timing chain and in 1992 GMC sonoma st in the firing order on the distributor and the engine block.


I highly recommend you get the Haynes repair manual on your vehicle. The Haynes Manual has photo references that show the alignment as well as a diagram of the firing order on the Distributor. Typically the #1 is marked on the the Distributor cap and they are sequential clockwise after that. The Firing order is actually controlled by the order you connect the wires to the Distributor.

Sep 30, 2010 | 1992 GMC Sonoma

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Spark plug wiring firing order to distributor cap


For the 1988 GMC K2500:
I do not know if you have the 4.3L V6 or the 5.0L, 5.7L or 7.4L V8's however I have included all below:


For the 4.6L V6:
Firing Order:
1-6-5-4-3-2
Cylinders:
......(back)........
'...6...........5...'
'...4...........3...'
'...2...........1...'
.......(front)
Distributor:
......(back)
(+) - screw
..........4
....................3
5
.....................2
....6
.............1
.....................(+) - screw


For ALL V*'s (5.0L, 5.7L and 7.4L)
Firing Order:
1-8-4-3-6-5-7-2
Cylinders:
.......(back)........
'..8..............7..'
'..6..............5..'
'..4..............3..'
'..2..............1..'
........(front)
Distributor Connections:
.....(back)
.....6.....5
3...............7
4...............2
.....8.....1
.....(front)
Rotation:
Clockwise

Sep 24, 2010 | 1988 GMC K2500

1 Answer

Firing order for a 1986 gmc s15


FIRING ORDERS

To avoid confusion, ALWAYS replace spark plug wires one at a time.

The most important thing to remember about the removal and installation of a distributor, cap or spark plug cable is that all wires MUST be labelled before they are disconnected. Keep in mind that these figures depict a firing order where the distributor cap terminals are relative to EACH OTHER only and they do not necessarily depict the tower positions in relation to the rest of the engine. This is true because any distributor which has been removed and reinstalled may have been installed with the No. 1 spark plug tower at any position (360 degrees) in relation to the rest of the motor, as long as the rotor aligned to the No. 1 tower when the No. 1 cylinder was at TDC of the compression stroke (valves closed, ready for the plug to fire). As long as the remaining wires were connected in the correct firing order sequence (depending on direction of distributor rotation) the engine will run. DO NOT EVER remove more than one wire from the distributor cap at a time unless you tag ALL wires and towers to assure proper installation.

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Fig. 1: 1.9L engine . Firing order: 1-3-4-2 . Distributor rotation: counterclockwise

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Fig. 2: 2.0L engine . Firing order: 1-3-4-2 . Distributor rotation: clockwise

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Fig. 3: 2.5L engine . Firing order: 1-3-4-2 . Distributor rotation: clockwise

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Fig. 4: 2.8L engine . Firing order: 1-2-3-4-5-6 . Distributor rotation: clockwise

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Fig. 5: 4.3L engine. Firing order: 1-6-5-4-3-2 . Distributor rotation: clockwise

I hope help you with this (remember rated this help) Good luck.

Oct 05, 2009 | 1986 GMC C1500

1 Answer

Firing order 1955 gmc 100


I have a 54 bel air customer brought in for me to install engine, but I do not know the firing order or the mark on distributor cap, could you please let me know what they are please, thank you very much. It is a straight 6.

Jul 18, 2008 | 1983 GMC C1500

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