Grind your fuel pin, replace the plastic washer with a rubber o-ring, replace factory fuel stops, governor spring, power screw, and grind the AFC lever. Here is a picture of the AFC lever that is often ground flat
http://dens-site.net/Dodge_CTD/Governor_Spring/Governor_Spring_25.jpg After these modifications the fuel shut-off solenoid will become problemsome, it will need to be modified also. The rest is tuning, and making things work properly ie: idle quality, avoiding runaway condition, and adjusting pre-boost fueling.