ok fellas i need some help here i have a 86 z28 with a 350 that seems to have some sort of shut off problem see this is what it dose go out start car it runs fine comes up to operating emp shuts off no warning at all now before anyone says anything it has every possiable new ignition part in it except for running a new power feed from the altenator any idea will help

 

fuel injected? what is operating temp? Anything else weird?