At 03:07 PM 7/27/2009, Don Spence wrote...
>When the ambient temp
>rises above 26 celcius (80 Fahrenheit) The engine slowly heats up and
>runs fine until I hit a stop light when it will stall at idle. It
>will not restart (cranks fine) until the engine has "rested" for at
>least 10 minutes. Any one with any wisdom to share as to what could
>cause this??

Do you by chance have an add-on electronic ignition, like a Pertronix?

They tend to be marginal and overheat, unless a ballast resistor is
added to the coil. I had similar troubles on my '81 with a Hot Spark,
until I added a ballast resistor. No problem now.