Sputter, cough and die. Problem found.

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I was working on a 1929 5 window coupe that a fellow club member purchased a couple weeks ago. The car had sat for several years without running. Unfortunately they had left fuel in the car and the carburetor was gummed up pretty bad.
I pulled the carburetor to clean and re-built it.
The car would idle great and drive in first gear pretty good. Once into second or third it would sputter, cough and die.
Compression on all four cylinders was great at 65 psi give or take a pound or two.
Swapped carburetor with a different one. Same issue.
Put in new points, condenser and plugs. No improvement.
Ground off the small amount of fuel line extending out from the two compression fittings on the fuel line. No improvement.
Then swapped out coil with a known good one. Thought I might have found the problem as when I went to take one of the small nuts holding one of the wires to the coil the plastic mounting crumbled away. Unfortunately there was no improvement.
Manifold gaskets looked not so good so I replaced them. Again no improvement.
Pulled dash panel and checked for shorted wires along with an inspection of the junction box. No issues found there.
Pulled the distributor and dissembled it. Found that the flexible wire under the movable plate had most of the wires broken inside the insulating wire jacket. Replaced the wire.
BINGO!

Just thought I would share as perhaps it might help someone else.