| Robert/Texas | -- 07-30-2016 @ 2:43 PM |
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My ’34 roadster was running fine until about five days ago. At that time it started right up but developed a miss, it sounded like one or two cylinders. The miss went away in about two miles. Yesterday when I started it, it started missing like crazy. I pulled the plugs and they all looked the same, blackish and just little wet. I replaced them (Champion D16’s with D19’s set at .030) and it wouldn’t start at all. I reset the new plugs at .025 and it starts but misses like crazy as before. The engine is a stock ’36 except for a Stromberg 97 carburetor and a Mallory distributor which I bought from Patrick’s back around 1994. I replaced the points, springs and rotor in the distributor in 2010 and have put about 2500 miles on the car since then. I have some ideas as to what else to look for but will welcome any suggestions. I’m hoping for an easy solution. Thanks for any suggestions. Robert
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| MG | -- 07-30-2016 @ 3:26 PM |
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Simplest things first - Replace the condenser. If that doesn't work, replace the coil....
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| carcrazy | -- 07-30-2016 @ 5:31 PM |
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The simplest thing might be the problem. Make sure all of the connecting screws and nuts in the ignition primary system are tight.
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| TomO | -- 08-01-2016 @ 7:44 AM |
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You need gas, compression and spark to make the engine run. Check the spark coming from the distributor by removing one wire from a plug and holding it near a head nut. You should have a 1/2" blue spark at idle. If not, check the coil, condenser and points. Also check that you have about 4 volts at the coil with the points closed and battery voltage with them open. Check to see if the miss is only on a certain cylinder. If it is, check the spark on that cylinder. If the spark is good, it could be a valve that is sticking. Tom
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| Robert/Texas | -- 08-03-2016 @ 4:56 AM |
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Thanks to all of you. It turned out that the small bolt that goes through the body of the Mallory distributor, connecting the points, condenser and coil wire, was a little loose. I tightened that and replaced the condenser. After I reinstalled the distributor the engine started right up and accelerated from 5 MPH to 65 without a any hesitation (4/11 gears).
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| ken ct. | -- 08-03-2016 @ 7:36 AM |
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Good fix. ken ct.
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