I believe Pontiac used two different cams for the Ram Air III engines.
The 744 cam was used for 4 speed, steep geared cars (trans and gearing made up for the torque loss from the 744) and the 068 cam was used for automatics with milder gearing. Pontiac eventually switched to the 068 for all the Ram Air III engines.
I have run both cams in a '68 Firebird with a .030 389 (395cid) and the torque difference is felt, especially with an auto trans.
Here is a Bonni with a 389/068 cam engine:
Be aware that his idle is set too low.
The 068 is also known as the HO cam.
I think you'll be find with the 068 cam.