My first thought was why in the world are you "warming it up" in this heat, then I notice where you are.
Any peculiar thing happen before it died? cough or sputter etc.
1953 Chevrolet 3600 Fried Green T'mater (Vern) In the Stovebolt Gallery Caution: Political Statement Man who runs in front of car gets tired, man who runs behind car gets exhausted.