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Old 05-16-2005, 07:41 PM
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283 starts then dies right away

hi got a 60 belair with a 283 2 barrel carb the thing starts up then dies right away unhooked the fuel line get constant fuel from the line. got spark at all cylinders tryed running off carb cleaner same thing rebuilt carb after problem surfaced also had fuel leaking before and after carb rebuild. cleaned all plugs up and reinstall no change. any ideas thanks.

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Old 05-16-2005, 07:49 PM
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Check that the ignition coil's getting power when the ignition's ON. It may be a case were the coil's only getting power during cranking, which would of course will cause the engine to die when the switch goes back from the start to the run position. Your spark plugs would be okay otherwise the thing would never fire at all. The other common thing to look out for is a large vacuum leak.
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Old 05-16-2005, 07:50 PM
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Hi Jack,
Sounds like the Ballast Resistor to me. Are you fimular with that?
Vern
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Old 05-16-2005, 09:39 PM
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not to sure about the ballast resistor what is that and how do i check it sorry i only know the new hei systems any help would be nice will check the power to the coil but it the proble started the same time the carb started to leak gas but will check power at the coil.
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Old 05-17-2005, 12:36 AM
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A ballast resister is an electrical choke device that limits and regulates the battery voltage going to the ignition coil, with voltage ultimately being brought down to only 6 volts. This set up caters for points or low energy electronic systems that run a 6 volt coil. The ballast resister is heat sensitive and gives maximum circuit resistance when it gets hot. There's two types of ballast systems in use that I know of. There's the ceramic block type that's wired in series to the coil power supply. Or there's the cheap coil feed resister wire to do the same thing. From what I know, I believe your model was equipped with the resister wire from factory.
Why don't they just use a 12 volt coil you may ask? Firstly, a standard 12 volt coil feeding off 12 volts is no better than a 6 volt coil feeding off 6 volts. However, problems can arise when using a 12 volt coil during start up simply because the starter motor's massive current draw (anywhere between 150 and 250 amps is normal!) can usually drop the battery voltage down to around 10 volts during cranking, sometimes as low as 9 volts. So suddenly you've got a 12 volt coil being fed only 9 volts trying to ionize the spark plug gaps in cold and damp combustion chambers. Not a good scenario. Enter the 6 volt coil. In this instance a 6 volt coil would be fed full 12 volts from the starter motor solenoid's 2nd small terminal which would cause the coil to go into hyper mode and produce a solid spark dedicated for starting. You should have two wires at the + side of the coil if using the resister wire set up. Or if using a ballast set up, you could have the two wires at either the coil + or at the ballast exit end. One would power up when ignition's on. The other will power up with the engine's cranked. The wires must be disconnected and isolated from each other to do this test. Rob
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Old 05-17-2005, 07:58 AM
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Hi Jack,
According to the 1969 "Motor's Auto Repair Manual" I have, the probable cause of your problem is the Ballast Resistor. A "service note" states, "If the engine fires when the ignition switch is turned on but quits when the switch is released to its running position, it indicates that the resistor is defective and must be replaced." Your car has a block type resistor. if you follow the positive wire from your coil it will lead you to the ceramic block resistor. The Delco-Remy resistors are a constant temperature type, it is not affected by temperature and it's resistance is approximately the same cold as when hot. However, a feature is employed which shorts out the resistor while the engine is being cranked by the starter and automatically puts the resistance back in the coil circuit as soon as the starter switch is released. This is accomplished by by-passing the resistor through the starter solenoid. The solenoid has an additional terminal from which a wire runs directly to the coil. On Delco-Remy systems, the resistor is by-passed by means of a "finger" inside the solenoid switch housing which is attached to the additional switch terminal. I know this is more than you probably wanted to know but know you know how it works.
Vern
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Old 05-18-2005, 03:17 PM
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Would'nt it be nice to get a thankyou for your efforts every now and then Vern?
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Old 05-18-2005, 03:51 PM
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Hey 327,
Your right but we are old. Hey, tell me about the car on you avatar! Are you a true 327 lover? I have tried to buy one but the 327 prices are sky high.
Take care,
Vern
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