Runs rough when cold then runs great when warmed up.

by Daniel Wise
(Memphis, TN.)

That is basically it. I start the car (79 corvette L-82)and it runs rough like it's got a dead plug. Then after it warms up it runs great. Takes 3-5 minutes to clear up completely. Is this a sign of a vacuum leak?? Or bad dist???

Thanks for any and all help,


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