Originally Posted by Jim Hughes

Hi Folks, Me again on the 351 that dies after about 8 minutes of running. Pulled fuel lines apart and cleaned. Did get a little (junk) out of them. Have got 5#'s of fuel pressure when its running. Took the gauge and fitting off my drag car. There is spark. When it is cold it starts right up. Runs for 8 minutes and shuts off. Timing is 10 degrees. It does not stumble when it shuts off, it is like You turn the key off. Distributor when it warms up??? or how about the ignition switch on the lower part of the steering column??? 1984 F250, 351w, Auto trans. 2 wheel drive.
Thanks for the help.
Jim