If your car wouldn't move in D but did kinda slip/move in 2, your forward band broke.
Yup!,pretty much what it boils down to which is why I am going to beef it up at this point.....seems to only makes sense considering it says on TEP that it will need a rebuild cause of where the band is placed.
'01 GTP: Rebuilt Trans by Andrew S....300m,hardened 4th,Transgo shift kit,V8 chain ect ect,3.8 MPS,ZZP 10.5.....More to come!