That make sense about the techs and work and R&R.
You said "buy a used core transmission that will work in your vehicle " what do you mean, is it a nother tranny which one would you suggest?
Come Diyers and those with experice complete this list below, to help us decide if we should rebuild the 4L60E as first timers or not. It will only take a few short minutes.
Level of complexity - ( 1-10 most complex)
range of tools needed - (1-10 complete range of general and specialist tools)
Skill level required - (1-10 high level of skill)
Time required in total - (hours)
Success rate of backyard DIY 4L60/e rebuilds - (%)
Main problems of rebuild failures - (parts, kits, errors etc)
looking forward to the replies by the DIYers and experts