Can drive for 10-15 miles and the engine quits,no missing,no stumbling,just quits..its getting plenty of gas to carb. It's like hitting a kill switch..sets over night and will start like nothing is wrong, drive for another 10-15 miles an it does the same thing! have replaced the distributor cap,ign. coil,control module ,rotor,capacitor,plug wires and plugs.. Whats next..any ideas?

Fuel filter been changed?

I don't have alot of technical advice to offer, but try using a new gas cap.

is everything else powered lights ? does it turn over but not run ?

rraider1---have power to everything ,good spark at plugs,will start when engine is cold runs fine for 10-15 miles then quits,changed fuel filter as Lukesvette suggested, same problem...seems to happen  when engine is warm...bad distributor??

Do you have a metering valve in the carb?  Might be that.

Dan, I have no idea its the orignal quadrajet

You could be getting vapor lock. How hot is the engine running? Could also be a rubber fuel line collapsing nce it warms up...

engine runs around 190+ I'll check rubber fuel lines it could be something as simple as that.

I have the quadrojet on my 81.  The metering valve is inside the carb.  It can be checked:  As you stand in front of the car it is on the carb in the 6 O'clock position.  Measurements can be performed to tell if the valve is at fault.  I have the C-3 computer on my car and the computer could not control the flow of gas to the carb because of the flow meter.  Check that out with your mechanic.