01-01-2010, 04:56 PM
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CC Member
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Join Date: Aug 1999
Location: Danville, CA USA,
CA
Cobra Make, Engine: Contemporary, 427 SO
Posts: 33
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Not Ranked
Help. I am stumped
I have a 427 SO 1966 with original medium riser heads. It is running a Demon Road Race 750 carb. The engine is stock with original bore, crank and rods. It runs great in warm weather; even in hot weather now that I installed the Taurus 2 speed fan. The problem is once it starts to get cold at 58 degrees it will start fine and run fine until it gets up to a good operating temp. It starts to miss a litttle and when you turn the engine off, it refuses to start. I can see gas fumes coming up thru the carb and it will momentarily refuse to crank over and may backfire. The only way I can start it is to spray starter fluid down the carb. I thought it was vapor lock, but it doesn't do it in warm or hot weather.
I have tried everything with no success. Help. And suggestions would be appreciated.
Len  |
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