727 reverse failing.

you didn’t answer my question. how many qts have you put in? And what are the circumstances?
Hi Rusty.
Got you. I'd say around 6.25 to 6.5 Qts.
I had taken the car out for a 15 mile trial run and all seemed well. It all went badly when I tried to turn the car round to get back in the garage the next day.
The forward gears work although I have a suspicion
that not 100%. Reverse is almost non existent as had to rev high to get it back into the garage. Hope that helps. P.