Alright, I've been chasing this issue since I bought this truck over a year ago, and have thrown parts at it for some time hoping it would fix it permanently, but it came back this morning:

If I am driving at highway speeds and make a fairly sharp right turn, my engine will sputter and stall as if it is out of gas, and then recover as soon as you turn the wheel straight again.

It does not happen at slow speeds, or any other time, only on hard right turns above 50 mph.

It's a 351 Windsor with the original 4180C on it.

Any ideas?

 

Steering column "grabbing" a wire?
Years back the wife's ranger would do something similar, Rag joint area would "tug" on an ignition wire.

 

Easy. Stop making right turns. Make three lefts instead.

All seriousness aside, try this. Maybe the problem is somehow related to fuel sloshing to the left as you make a hard right. Park sideways on a steep incline, with the right side higher than the left. If no incline is handy, jack up the right side as high as you dare. Rev up the engine to increase fuel flow.

With any luck the engine will sputter, and you'll know you've duplicated the problem. Then you can do more in depth troubleshooting. Could be a carb float or vent problem. Could be a problem with the fuel pickup in the tank.

 

I had the same problem years ago on a '64 Ford wagon. It would cut out on hard right turns, not necessarily at high speed. Surprisingly it was a bad coil.

 

Is this why NASCAR drivers always turn left? [sorry, bad joke]

If not fuel sloshing fuel related [carburetor float, etc.], check all under hood wiring with the official "wiggle" test and perhaps look for a vacuum leak caused by a defective hose being moved under the hard right turn conditions.

 

Thanks for the advice guys, I'll be checking it out this evening and will post updates. Assuming I can fix my vibration issues first!