For the truck applications Mopar used a 1/2 steel ball instead of the rubber on the adjuster going into the end of the fork , I always substituted the steel 1/2 ball , Mopar May still sell them , or Brewers will know about them , far more durable especially using heavier clutches .
The MSD Blaster coils are known to leak oil sitting horizontal , keep an eye on it , Pertronix has a better coil , Congrats on limping it home at least !
The springs are built onto the cables inside the drums , the 72 uses 4 cables , 1 at each wheel , a center loop cable & the front cable , there should be a a guide on the passenger side & a hook on the trans crossmember & an adjuster on the cable to the pedal everything should be snug without...
Originally Holley had a terrible product with the Commander I believe it was called . the computer would barely last a month , the newest version seems to be reliable .