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1970 318 idle problems

Old 10-25-2010, 02:14 PM
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Exclamation 1970 318 idle problems

I recently bought a 1970 Challenger and have been trying to get it to idle. Will fire up and run with giving it gas, and with the idle set high it will do so. When the idle is set to ideal settings it will die.

Guy I bought it from said it ran when he parked it about 2 years ago. Since i have got it home, I checked the wires, plugs, cleaned carb, just looking for some advice.

Thank you,

Last edited by kevfro89; 10-25-2010 at 02:47 PM.
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Old 10-26-2010, 02:26 AM
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JRP
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Check fuel line for trash. Carb to. Check the float level and blow out all orfices like air fuel mixture. What carb is it? If it has sat up that long the fuel will turn to varnish. You might concider a total clean on the entire fuel system. I know it is a big job, but I have worked with and restored old cars after they have set for a long period of time. You can get it to run so-so but you can be constantly dealing with trash in the fuel issues if you don't address it. I used to live in a very humid area and sludge in fuel tank was always a problem....real nightmare. Next check timing and coil voltage and resitance. As long as it will stay runnig with adjustments then those areas would be a good start. If points had problems than it would not want to fire up unless it has electronic ignition. I hope this helps. It won't be a big fix but it may involve a few steps. I'm sure there are a few older guys out there that have some good ideas. Post your progress. 70 is a great looking body. Good luck and have fun with it.
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Old 10-26-2010, 06:37 AM
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i agree with JRP only in reverse, you should always make sure of ignition system and proper timing
before proceeding to fuel issues. if it is still a points ignition first thing that should be done is a
new set of points and condensor or better yet a swap over to electronic ignition which can be acheived
without spending an arm and a leg on the performance kit as chrysler went to an electronic system
starting in 1973.
go here for good swap over how to.
Replacing points with Mopar or Delco electronic ignition
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