Question about Chevrolet Camaro

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I need to know the firing order on the distrubtor cap on a 305 v8 on a 1980 chevy camero i know the firing order on the block is odds on driver side and evens on passenger. need to know locations on the disturbtor cap

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  • Wesley Roberts
    Wesley Roberts Mar 23, 2011

    this did not work are u sure the 5. liter v 8 has the same firing order hook up as my 305 v8

  • Wesley Roberts
    Wesley Roberts Mar 23, 2011

    alrighty sounds good i will have to check top dead center then make sure iam not 180 degrres of i did replace whole distroubtor must of put in 180 off. thanks for all the info iam sure that will more than likely slove the problem

  • Wesley Roberts
    Wesley Roberts Mar 23, 2011

    very helpful went out of the way to make sure the problem was corrected. will def. use this site again

  • Wesley Roberts
    Wesley Roberts Mar 23, 2011

    i accepted the soultion and also wrote a comment of how helpful u were is that all i need t do ?

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  • Chevrolet Master
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Here is a diagram of 5. Liter V8 and the way the cap is numbered, just match the colors up on the distributor cap to the engine cylinders. Remember the rotor moves in the direction of the arrow in the diagram. Set the distributor so it is in a position that number one cylinder is just to the right of the front of distributor cap facing towards the front of the engine as indicated in the diagram.


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Posted on Mar 23, 2011

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  • yadayada
    yadayada Mar 23, 2011

    I have this very same engine in one of my cars, this is the correct diagram, came right from a manual,you are doing something wrong, did you remove the distributor by chance? if so find number 1 cylinder by removing the spark plug and feeling the pressure as the piston comes up on compression stroke, then find the timing mark on the front crankshaft pulley and line it up with 0 BTDC on the marker, the distributor rotor should point towards the pink dot just to the right of the 6 o'clock position of the distributor cap, note that cylinder #7 is just to the right of the pink dot. If you still don't get it please call me at home on my cell 925-577-7157

  • yadayada
    yadayada Mar 23, 2011

    This is another 5.0 Chevy diagram, the white spot is number on tthe cap, following the arroow the next number is cylinder 8 and so on in the firing order 1-8-4-3-6-5-7-2 THE FIRING ORDER OF THE SMALL BLOCK CHEVY V8 HAS NEVER CHANGES SINCE THE FIRST ONE WAS BUILT IN 1955.








  • yadayada
    yadayada Mar 23, 2011

    HERE IS ANOTHER EXPERT ON THE PROCESS OF GETTING NUMBER ONE IN THE RIGHT PLACE.



    This is the easiest question to ask a Chevy person... Firing order is as follows...1-8-4-3-6-5-7-2 on all Chevy motors big or small block from 1955 to present day... As you open the hood and are looking at the motor on your right from front to back the plugs are as follows...1-3-5-7 and on the left side they are the even numbered plugs from front to back 2-4-6-8... If you take off the distributor cap with all the wires left on just kinda turn it upside down and out of the way whatever works the best for you and remove the #1 plug from the block then slowly have someone "bump" the starter over until you see the #1 piston come up to the top of the cylinder this is also known as "top dead center" hence the piston is at the top of the combustion cycle and now notice the rotor on the distributor on the contact point should be pointing towards the #1 cylinder... You might need a flashlight to see the top of the piston too... Don't know if you took the distributor all the way out but this is the easiest way to be sure the distributor is not 180 degrees off and is installed correctly... Just be sure the #1 piston is at the top of the compression cycle and that the brass contact point on the rotor on the distributor is pointing towards the #1 piston cylinder...

  • yadayada
    yadayada Mar 23, 2011

    ONE LAST NOTE HERE, A 305 CUBIC INCH CHEVY V8 IS 5.0 LITERS IN METRIC DISPLACEMENT, A 350 CUBIC INCH CHEVY V8 IS 5.7 LITERS METRIC DISPLACEMENT.

  • yadayada
    yadayada Mar 23, 2011

    If my efforts to assist you have been helpful could you please rate my solution for Fixya as "HELPFUL" That is how I'm compensated for my efforts.

  • yadayada
    yadayada Mar 23, 2011

    Yes and thank you.

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New spark plugs new wires old distributor timing changed wen nee plugs were put on, clockwise or counterclockwise, don't know, besides the battery what firing order V8 305?


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.

Mar 26, 2016 | Cars & Trucks

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Need photos of 1994 suburban firing order


This should be the 350 5.7 V-8...as long as it is a V-8 the firing order is the same for Chevy's...18436572...#1 being drivers side front...use to confirm #1 on distributor cap...recommend you change one wire at a time...:) passenger side starts with #2 in front...even #s on passenger side...odd numbers front to back on drivers side...1,3,5,7...passenger side ...2,4,6,8...:)

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Firing order on a 305 on the cap. Got the wires all messed up...


This method is good for the firing order on all chevy small block v8 engines from 265 cubic inches to 400 cubic inches. This would include 265, 283, 305, 327, 350, 400 cu. in. chevy small block v8 engines.

Let's cover some safety concerns first. If you try to troubleshoot a mixed up firing order with the engine running, you could be in for a serious shock,.. literally. You can do it, with certain precautions, but you really don't need to check the firing order with the engine running. You definitely don't want to try checking the firing order if you are wearing any kind of pacemaker or sensitive electromechanical prosthesis. The voltage coming out of the ignition coil is in the thousands. Common sense dictates that you wouldn't stick a knife in an electrical outlet, so you wouldn't want to take chances with being shocked by the electrical discharge from your classic chevy's ignition coil either. See the diagram:


5d6424a.png

The firing order, which should be cast into the intake manifold, for the chevy small block V8 is 1-8-4-3-6-5-7-2. The firing order is the numerical sequence in which the spark plugs are fired. The insertion position of each spark plug wire around the circumference of the distributor cap can be found according to a clock face. The insertion sequence determines the firing order. The firing order is followed clockwise around the distributor cap starting from the 6:30 position with the 6:30 position being the number one cylinder spark plug wire.

On classic chevy small block engines that use ignition breaker points instead of electronic ignitions, the number one cylinder is the one immediately clockwise of the small metal sash cover on the distributor cap. The firing order starts here. There is no sash cover on the distributor cap for GM HEI electronic ignitions, and the firing order is the same, but starting at the 5:30 position.
The firing order makes sense if you know how the cylinders are numbered. The number one cylinder is the front most on the drivers side and 2 being the front most on the passenger side. From front to back, the cylinders are odd numbered on the drivers side, and even numbered on the passenger side.

Additional details HERE.

Hope helps (remmeber rated this).

Jul 12, 2010 | Cars & Trucks

2 Answers

I took of*** my spark plug wires working on my small block 350 pickup and I don't remember the the firing order to put the new wires back on. Is there a diagram anywhere or is it even that difficult to...


Next time number each lead before you remove it and no. the dissy cap as well

The firing order, which should be cast into the intake manifold, for the chevy small block V8 is 1-8-4-3-6-5-7-2. The firing order is the numerical sequence in which the spark plugs are fired. The insertion position of each spark plug wire around the circumference of the distributor cap can be found according to a clock face. The insertion sequence determines the firing order. The firing order is followed clockwise around the distributor cap starting from the 6:30 position with the 6:30 position being the number one cylinder spark plug wire.
On classic chevy small block engines that use ignition breaker points instead of electronic ignitions, the number one cylinder is the one immediately clockwise of the small metal sash cover on the distributor cap. The firing order starts here. There is no sash cover on the distributor cap for GM HEI electronic ignitions, and the firing order is the same, but starting at the 5:30 position.
The firing order makes sense if you know how the cylinders are numbered. The number one cylinder is the front most on the drivers side and 2 being the front most on the passenger side. From front to back, the cylinders are odd numbered on the drivers side, and even numbered on the passenger side.
See the diagram; Click to open a printable larger image in a new window. The firing order starts with the number one cylinder. We would connect the number one spark plug wire to the distributor cap terminal in the 6:30 position. distributor.pngSince the next cylinder in the firing order is 8 (passenger side rear), we connect the number 8 spark plug wire to the next distributor cap terminal (approximately 7:30 position) in the clockwise direction from number one. You need to be sure you continue the firing order in the clockwise direction around the chevy small block distributor cap from the last installed spark plug wire. Setting the rest of the firing order is just a matter of repetition. Be sure to count the spark plugs from front to back on each side of the motor to identify the correct cylinder number in the firing order.

Jun 21, 2010 | Cars & Trucks

1 Answer

I need to see a picture of the firing order on the distributor cap please for a 91 chevy 305.


1 8 4 3 6 5 7 2 in clockwise rotation. Number one is the front cyl on the drivers side -all odd #'s from front to back 1 3 5 7. on the passenger side front starts with 2 and then 4 6 8 . Put the # 1 cyl at top dead center and see where on the cap the rotor is pointing. Start your #1 wire there and continue clockwise until you have all 8. Hope this helped!

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2 Answers

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1, 8, 4, 3, 6, 5, 7, 2 firing order is stamped on the front of your intake .

Sep 28, 2009 | 1989 Chevrolet Camaro

1 Answer

Just installed 305 in my 79 monte carlo, engine turns but will not fire.


You may have already got this, I forgot to sign in first. The firing order is 1-8-4-3-6-5-7-2, odd numbers on the driver's side and even on the passengerside. Number 1 is closest to the rad, but I need to know the year and what the engine came out of to tell you more, Like how to position the distributor and the advance. Let me know, I'll be around most of the day.

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