1/2 the fluid in the torque convertor will slowly drain into pan during extended periods of inactivity. The level will get above the output shaft and if the rear seal is weak may leak. Replace the seal, all will be good.
exactly that
the level is even coming above the oilfiller tube grommet(top...
I had the same problem with the mystery rattle
when under load
pulling off from a stoplight with more then half throttle I had this sound that was the same as detonation
A lot of turning on the HEI and day's later I found out that the flexplate (which was a bit bent like yours)hit the high...