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Posted on Sep 16, 2008
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88 GMC Sierra v8 5.7

I lost the firing order when i messed with the distributor cap. Do you know it by any chance? thanks Gary

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pat murray

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  • GMC Expert 293 Answers
  • Posted on Sep 22, 2008
pat  murray
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Joined: Sep 21, 2008
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The firing order is 1 8 4 3 6 5 7 2 driverside head 1357 passenger 2468
get #1 cylinder up on compression stroke and see where the rotor is pointing this will be the start of your firing order goes clockwise

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Distributor firing order for a flat cap

What engine is in the vehicle ??

If you need further help, reach me via phone at https://www.6ya.com/expert/ralph_2f0886b7d6af32ce

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I need a diagram for 1994 gmc 1500 4x4 5.7 plug wires at distributor i knw the engines fire order

if you know the firing order, then get #1 on TDC, and then take the cap off, the rotor should be pointing forward, thats where number 1 wire should go.
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Ok, I have no where else to turn. I have a GMC Sierra 1500 4x4 4.3l V6 I had to do an engine swap on it and when this was done, the guy that SAID he could fix it messed it all up. I have recently put...

check the plug wires to make sure there in the right firing order then i would recheck the timing once again the roter can be just a little off and you should be able to get it started if that dont work i would check the timing chain.
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I need the firing order of 1996 gmc engine sierra 5.7liter vortec

For the 1996 GMC SIERRA with 5.7L V8:

Firing Order:
1-8-4-3-6-5-7-2

Cylinders:
.........(back).........
|...8...|........|...7...|
|...6...|........|...5...|
|...4...|........|...3...|
|...2...|........|...1...|
.........(front)

Distributor Connections:
............(back)
Coil--->o
6------->o........o<-------5
4------->o........o<-------3
2------->o........o<-------7
8------->o........o<-------1
.............(front)

Let me know if this helped, or if you have additional information or questions. Feel Free to contact me at FixYa.com!
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1997 Sierra: firing order on the distributor cap...

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I have a 5.7L with carburator. I need to check

Standing in front of the truck, #1 is at 5 o'clock on the distributor and it runs clockwise.The firing order is 1-8-4-3-6-5-7-2. Hope this helps.
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Ignition timing is off on distributor

I removed the distribitor and the timing is out
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