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#1 | |
BANNED
Join Date: Jun 2010
Location: austin, tx
Posts: 195
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I don't like to use my fingers when fooling around with sparks and generally wear a pair of good gloves even to hold a coil wire by the insulation. There used to be a mechanic at a shop here locally years ago who would check for spark, on any vehicle, by holding on to the end of the coil wire while the engine was turning over with the ignition on. If he wasn't satisfied by the amount of shock he received he considered the spark to be weak! |
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#2 |
Senior Member
Join Date: Apr 2014
Location: Honolulu
Posts: 116
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To answer some of the questios, the rotor does turn, I get a spark from the distributor cap to the head nut. I took the copper wire off the spark plug (new spark plugs, champion w16) and I have spark on 2,3,4 but not on one ( closest to radiator)
I will order a condensor and both plates in the distributor. By the way the copper end of the condensor where the screws that holds it, spins. Probably should't but I am not sure if it is defective. Should I use a upper plate with the modern condensor? Lastly what would cause the negative side off the coil to be hot when the point are closed and the ignition on? |
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#3 | |
BANNED
Join Date: Jun 2010
Location: austin, tx
Posts: 195
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Do you get a consistent spark from the coil wire to a head nut every time your work the points? If so what does it look like? |
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#4 |
Senior Member
Join Date: May 2010
Location: NC
Posts: 2,975
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By the way the copper end of the condensor where the screws that holds it, spins.
That is not a good thing, you need to replace it. But if you get a good blue spark on 2,3,4 you have points that are not opening on one cylinder, or you got a bad dist body. Need to check play in dist shaft, make sure the points are opening on all 4 cam positions. |
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#5 |
Senior Member
Join Date: Apr 2014
Location: Honolulu
Posts: 116
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I will check if the point open on all 4 side of the cam. I did not check I assumed that all 4 sides of the cam should be the same. By the way the shaft does not have any side to side play.
Also I was wondering how snug should the rotor fit. Mine is pretty wobbly and I wonder if it is not rotating properly and does not make a spark with the contact for cylinder #1 |
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#6 |
Senior Member
Join Date: May 2010
Location: Southern Upstate New York
Posts: 1,209
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AL in NY |
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#7 | |
Senior Member
Join Date: May 2010
Location: NC
Posts: 2,975
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#8 | |
Senior Member
Join Date: May 2010
Location: Mpls, MN
Posts: 27,582
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When the points are closed and the key is on, you have about 4 amps going through the coil and that will heat it up. If it still heats up with the points open or the key off, then you have a problem, such as the ignition switch terminal touching the gas tank. |
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#9 |
BANNED
Join Date: May 2010
Location: Bucks County, PA
Posts: 11,454
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the condenser screw should not spin so take toms advice and change it and use the fiber washer under the screw head...
so you say no spark to #1 ok that should not be but with having spark to 2,3,4 the engine should still run but with a miss.... did you try bringing it to TDC with the timing pin and make sure your rotor is pointing to #1? maybe the dist cam slipped position or there is a timing gear issue and it jumped. maybe the spark is crossfiring in the dist body some food for thought Last edited by Mitch//pa; 01-19-2015 at 11:05 PM. |
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