BirdMan
I have the 74 with the auto and an HZJ-73 with the 5 speed. The 74 is easier to drive around town as you don't have to shift with your left. Makes the RHD experience so much easier. The power of the 13BT is more than adequate for this.
If you plan to drive long distances often in a 70 Series (yikes!) the HZJ-73 might be better but I have not driven a truck with the 1HZ/auto tranny combo. Charles has owned trucks with both engines, each with auto trannys, maybe he'll chime in here.
Thanks
Peter