Quote Originally Posted by Ikkesh View Post
not likly to be a torque converter because again it would slip to higher rpm upon slipping.
Disagree... when the TC locks up (in 2nd, 3rd, and 4th) it will lower the engine speed by a couple-few hundred rpms, then again when it shifts into the next-higher gear.

Low engine oil will affect the tranny performance, so check that.