DetMatt - thanks for your email - it is very helpful
Have spoken to the owner again to go through this, based on your post
For context, he is a restorer and has been in the business about 20 years - he does Mopars and has restored and sold about 30 cars - he calls the car about 90% complete...
yep...another one of those threads - never owned a mopar before...so not familiar with values
looking at a 70 U code - in normal english, a 1970 'cuda, 440 4 barrel
a little different in that it is a four speed manual transmission - understand not that many of those were made (100 or so??)...