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Discussion Starter #1
I just rebuilt the top end of my motor and put a new cam in it. I tried to start it up and would start but won’t idle. I check the spark plugs and there bad. So I replace those and the wires and ignition coil because I was going to anyways. Now it starts up real well but dies immediately after. I’ve got it to stay idling twice but I drove it for 20 mins or less and it died and wouldn’t idle again once I reached a stop light. Any ideas what the problem could be ?
 

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Super Moderator
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Have you checked timing? You may have gotten a tooth off and the timing could be retarded too much.
 

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Check that you have all vacum hoses attached and be sure you dont have any vacum leaks anywhere. Check around the Intake manifold for vacum leaks otherwise if it's a carby setup then there may be a problem there. Idle air bleed blocked perhaps.
 

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RangersEdge
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How steady is the timing at idle? If the mark is moving around it could be a worn distributor. Not a symptom of no idle (I'd vote for a vacuum problem), but a strong suspect for poor idle.

Klaus
72 Mustang 351C 2V AT AC Sprint Decor
 
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