Drilled a 1/4 hole in the primary weights and could not tell any difference in how the gov acted.
Swapped in this lighter weight and there was a slight difference. Mostly the 2-3 shift was later.
A few parts. Spring color seems to be somewhat random, same color different spring. Some springs are wound left hand and some right hand. These are random turbo hyramatic governor springs and weights from the junkyard except the tagged spring. The tagged spring was behind the vacuum modulator spool, took that out in 2007. Removing it gave more range on the vac modulator.