454 xl fwc shuts off

[Mike Braun]

My port 454 xl fwc crusader shuts or stalls off after ,I think it warms up I've checked the fuel straw,replaced the fuel line check valve,ganged the fuel filters ,the fuel pump ,plugs wires & ca
And had the holly rebuilt and it still is shutting off after ten fifteen minutes?

 

[makomark]

so you need to figure out if you are loosing spark or fuel. likely culprits - ballast resistor, coil, oil pressure switch and relays...best way is to find out where the problem is BEFORE you throw more parts into it.