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Firing order needed?

Tiny
MARIAGKING
  • MEMBER
  • 1989 CHEVROLET TRUCK
  • 189,000 MILES
I need a firing order for 1989 Chevrolet P30.
Wednesday, May 10th, 2017 AT 4:19 PM

29 Replies

Tiny
STEVE W.
  • MECHANIC
  • 13,507 POSTS
It can be a 292 6 cyl, 350 V8 or 454 V8. (Unless someone swapped in something else.)

292 - 1-5-3-6-2-4
350 and 454 - 1-8-4-3-6-5-7-2

Number one is the front drivers side cylinder.
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Thursday, January 17th, 2019 AT 6:22 PM
Tiny
ROOSTERDOG1965
  • MEMBER
  • 1 POST
  • 1988 CHEVROLET TRUCK
  • 6 CYL
  • 2WD
  • MANUAL
  • 12,000 MILES
I just replaced my plugs and wires, along with the distributor cap and rotor, I think I screwed up and got a few wires mixed up, must be close cause its running, but running rough. Anywhere I can get a diagram that shows what wire to what plug, have the hanes manual but it just tells me the firing order and does not work as I understand it, its a 4.3 litre
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Tuesday, October 20th, 2020 AT 1:02 PM (Merged)
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
See below


https://www.2carpros.com/forum/automotive_pictures/12900_43_1.jpg

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Tuesday, October 20th, 2020 AT 1:02 PM (Merged)
Tiny
AKTROY
  • MEMBER
  • 1 POST
  • 1988 CHEVROLET TRUCK
Engine Mechanical problem
1988 Chevy Truck V8 Four Wheel Drive Automatic

I have this truck and we have done the 18436572 firing order but we cannot get it to fire yet we are at tdc and it seems like the rotor is in between the 1 and 8 on the distibutor cap we have reset the timing several times already and it still won't fire if you can give me any info I sure would appreciate it.
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Tuesday, October 20th, 2020 AT 1:02 PM (Merged)
Tiny
MASTERTECHTIM
  • MECHANIC
  • 4,749 POSTS
Firing order is right. Did it run before the timing got messed up? What happened? The more dtails the better the diagnostics
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Tuesday, October 20th, 2020 AT 1:02 PM (Merged)
Tiny
DEBBIE2SNS3
  • MEMBER
  • 1 POST
  • 1988 CHEVROLET TRUCK
1988 Chevy Truck

need firing order for 454 engine
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Tuesday, October 20th, 2020 AT 1:02 PM (Merged)
Tiny
DR LOOT
  • MECHANIC
  • 2,311 POSTS
The intake manifold, should have the firing order stamped on it but I've will send you this photo.


https://www.2carpros.com/forum/automotive_pictures/307270_Graphic_2.jpg

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Tuesday, October 20th, 2020 AT 1:02 PM (Merged)
Tiny
ENIGMATICDEMON
  • MEMBER
  • 1 POST
  • 1988 CHEVROLET TRUCK
Electrical problem
1988 Chevy Truck V8 Four Wheel Drive Automatic

i need to know where the number 1 pin on the distributor cap is so I can put the firing order right.I believe the order is 18346572 not really sure about that either
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Tuesday, October 20th, 2020 AT 1:03 PM (Merged)
Tiny
JDL
  • MECHANIC
  • 16,098 POSTS


https://www.2carpros.com/forum/automotive_pictures/170934_firing_order_2.jpg



I found the above picture. If you put the number one cylinder on tdc of the compression stroke whichever plug tower the rotor is leading into, should be the number one plug tower.
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Tuesday, October 20th, 2020 AT 1:03 PM (Merged)
Tiny
DALEL_8
  • MEMBER
  • 1 POST
  • 1985 CHEVROLET TRUCK
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 200,000 MILES
I was wondering if I could get the firing order for the 4.3? I am a bit leery about these sites you must understand.
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Tuesday, October 20th, 2020 AT 1:03 PM (Merged)
Tiny
LALORENZO
  • MEMBER
  • 28 POSTS
1-8-4-3-6-5-7-2 Dont forget the roter spins clockwise. Hope this helps. Larry
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Tuesday, October 20th, 2020 AT 1:03 PM (Merged)
Tiny
SONSTFF7
  • MEMBER
  • 2 POSTS
  • 1985 CHEVROLET TRUCK
I had to remove the distributor to do some work on my truck and put the spark plugs back in the wrong order the eng is now back firing can you help me with the firing order so that I can reset the spark plugs wires correctly.
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Tuesday, October 20th, 2020 AT 1:03 PM (Merged)
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
The firing order is 18436572. Here is a diagrams to help show you.


https://www.2carpros.com/forum/automotive_pictures/12900_fo_15.jpg

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Tuesday, October 20th, 2020 AT 1:03 PM (Merged)
Tiny
TRUCKER666
  • MEMBER
  • 7 POSTS
  • 1983 CHEVROLET TRUCK
I pulled the distribuator, checked gears, then went to put it back. Changed coil, put new moduale, had roto poited at no 1 and did plugs to fireing order. Still wont start and pufs smoke out of carb. What did I miss.
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Tuesday, October 20th, 2020 AT 1:04 PM (Merged)
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
That means either the timing or the firing order is wrong.
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Tuesday, October 20th, 2020 AT 1:04 PM (Merged)
Tiny
TRUCKER666
  • MEMBER
  • 7 POSTS
Fireing order is what was on the motor. Dose rotor have to point to no1.
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Tuesday, October 20th, 2020 AT 1:04 PM (Merged)
Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Did you have #1 cylinder on tdc of compression stroke before you pulled the distributor? Put the #1 cylinder on tdc, look to see where the rotor is pointing. If you can blow air into number 1 cylinder, its not on tdc or something else is wrong? You can use a fuel line hose that will fit snuggly in the spark plug hole, try to blow air into cylinder. There are other ways to check that.
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Tuesday, October 20th, 2020 AT 1:04 PM (Merged)
Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Hello guys, didnt mean to butt in, Im a slow typer.
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Tuesday, October 20th, 2020 AT 1:04 PM (Merged)
Tiny
TRUCKER666
  • MEMBER
  • 7 POSTS
Set timing line with marks on balacer. Thought that was tdc
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Tuesday, October 20th, 2020 AT 1:04 PM (Merged)
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Blow into the cylinder? Never heard of that one but it sounds like a great idea

LOL

Roy
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Tuesday, October 20th, 2020 AT 1:04 PM (Merged)

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