When I installed my T-5, I also found a Chevrolet S-10 Manual for an 85 model Blazer on ebaY and bought it thinking it would have some useful information such as T-5 transmission capacity. As you stated, it is almost useless.
As of right now, I have 2-1/4 quarts in it, which is 4-1/2 pints. I need to see if I can squeeze another 1/2 pint in it. That's the mission for tomorrow!
Thanks for the information, Tim!!