727 TF3 problems and pressure test

Ok; I get that, and yes I know about that van gas pedal system. I had a 77 for a while.
It had a terribly lean 2bbl on it and one of the worst timing curves I ever stumbled on.
Not to mention trying to read the timing! I finally drilled a hole in the bellhousing...... from the cab, and installed a TDC mark on the ring-gear. I worked on that tune for a lotta hours. But in the end, she ran daymn good.