misfire and dies

[Mike Duvall <duvallcom@sbcglobal.net>]

"your description seems to say that missing occurs with rise in 
operating
temperature "

Don't overlook the fuel pump.  I've had my fuel pump die whenever it 
reached a certain temp and then it would work fine when the car cooled. 
  It was just enough of a problem to get a few miles from home, then 
die.  I would wait for 1/2 hour, start it up and drive home.

Mike