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Posted on May 27, 2011
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I am getting good spark off the spark plug (new), I am getting good gas flow to the carb. If it fires it will bogg down after a minute and then just cut off.New battery, clean carb, and new pug. Mostly it won't start at all.

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Jim Y

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  • Expert 338 Answers
  • Posted on May 27, 2011
Jim Y
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Joined: Sep 14, 2008
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Fuel filter is going- will be ok at idle-when you tested it- but fails under load

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I just tested my spark plugs, and two of them are not sparking as bright as the other two. The car just recently ran out of gas. I replaced the fuel filter. The fuel pump IS good. NO fuel regulator leaks....

Well, you can try lightly sanding the contact point ( where the spark is inbetween the gap). If that doesent help at all, just to be certain that there is another issue, take one of youre good spark plugs and insert into the wire where the spark isnt as bright, if it is still looking the same than consider replacing youre wires or the coil that runs those spark plug wires.
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Guide to starting a dead horse!
1- Spray a little starter fluid down the carbuerator. If it tries to fire, your timing and ignition is probably OK. This could indicate a carb or fuel pump problem.
2- If it doesn't fire, check out the points, condenser, coil, distributor cap and rotor. Look for condensation inside the cap. Check that the high tension wire from the coil to distributor is in good shape and not touching the engine or any brackets,etc.
3- Verify that your timing is correct. You may have a timing train problem (Worn or broken).
4- The distributor may have come loose and changed positions. Check for proper timing.
5- It may be a compression problem. If it has set long enough for the oil that coats the cylinder walls to drain down, you won't have enough compression to allow firing. Check your compression and if this seems to be the case, remove the spark plugs and squirt a little Marvel Mystery oil, or similar light weight oil into each cylinder. When it starts, it will smoke for a few minutes, but that will go away.
Hope this helps and if not, get back to me.
Have a super day!
Ron


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