180 degrees off?????????

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    Author Topic: 180 degrees off?????????  (Read 1408 times)

    Offline Scat Pack Fever

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    180 degrees off?????????
    « on: January 29, 2011 - 01:50:03 PM »
    I hooked up a battery and am now able to turn over the motor. I don't have the fuel system hooked up yet so I am dumping a little gas down the carb. It seems to hit once and it back fires through the carb. It cranks over several times before it finals hits the one time. Here is my question, if the distributor is 180 degrees off, would one of the cylinders still fire? I have moved the distributor a little both ways and it is still not trying to start. I am going to hook up a spark tester and see if all plugs are getting spark.
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    Offline GoodysGotaCuda

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    Re: 180 degrees off?????????
    « Reply #1 on: January 29, 2011 - 03:53:29 PM »
    Remove spark plug number one (easier than pulling the valve cover) and turn the motor over by hand with the hose of a compression tester and your thumb over the end would be ideal (or just your thumb  over the plug threads might do). As you turn it over you will get two strokes pushing against you, the weak one is the exhaust stroke...strong one is compression. As it pushes hard against you turning it over, you are on compression, STOP at the TDC mark on your balancer.

    If you rather watch the valves, remove the valve cover. After the intake valve closes, stop on TDC;

    Then look at your distributor rotor, is it pointing to where the #1 plug wire hooks to the cap, or 180* off?


    If you feel like checking spark, remove a plug, hook it to the wire and set it on something that is a ground (or use a jumper wire from the threads to a ground) and crank it over...you'll see spark at the gap if you have it.
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    Offline dodj

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    Re: 180 degrees off?????????
    « Reply #2 on: January 29, 2011 - 03:57:56 PM »
    It 'could' fire just from left over fuel mixture in the cylinder. It would be an easy operation to just bring #1 cyl to TDC of the comp stroke and then look to see where your rotor is pointed. As long as it is pointing to a wire that goes to #1 cyl you should be ok from the distributors standpoint. Check the reluctor gap, coil, ECU wiring if you have no spark at any time.  :2cents:
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    Scott
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    Offline Scat Pack Fever

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    Re: 180 degrees off?????????
    « Reply #3 on: January 29, 2011 - 06:36:29 PM »
    I set it up by feeling the pressure with my finger, but I am wondering if I was on the exhaust valve. The dist. was pointing to the #1 plug and I moved the crank to TDC. I have a spark tester, I am going to make sure I am getting spark through each of the wires and then it may just be a move of the distributor. I am also going to set up the fule line as opposed to dumping gas through the carb. I am probably flooding it.
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    Offline Scat Pack Fever

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    Re: 180 degrees off?????????
    « Reply #4 on: January 29, 2011 - 08:05:51 PM »
    If I have the #1 plug wire going to the rotor where it is pointing to the front drivers side of the block, Then i should follow the firing order for the rest of the plugs, correct?
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    Offline dodj

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    Re: 180 degrees off?????????
    « Reply #5 on: January 29, 2011 - 08:13:50 PM »
    Correct.... 1-8-4-3-6-5-7-2 ....and if I remember right, the dist rotates counterclockwise.
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    Scott
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    Offline moper

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    Re: 180 degrees off?????????
    « Reply #6 on: January 30, 2011 - 09:49:08 AM »
    The simple fix is pull the dist and rotate it 180°... I used to do that all the time in my teens.
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    Offline Cooter

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    Re: 180 degrees off?????????
    « Reply #7 on: January 30, 2011 - 10:23:47 AM »
    What was done to cause the engine to be suspected of being 180 Degrees off?
    What size engine are we working on here? (SB and BB rotate different directions)
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    Offline Scat Pack Fever

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    Re: 180 degrees off?????????
    « Reply #8 on: January 30, 2011 - 10:53:45 AM »
    it is a 360 I pulled out of a ramcharger. I pulled all the plug wires off with out marking anything and I put in a new distributer.
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    Offline Scat Pack Fever

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    Re: 180 degrees off?????????
    « Reply #9 on: January 30, 2011 - 02:59:10 PM »
    Thanks to all who helped me out. I was able to start it today. I had it 180 degrees off. All I need to do is to bleed the brakes and I will be ready to drive it.
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