Any advances they have made they wont tell you because converters are a well kept secret. I did switch from an Art Carr 9 inch non lock to a newer 9.5 with a lock up in it. I have not had a chance to run the car to post any results yet. I did switch to E85 as well.
i'll let you know what...
You dont need to use CCW wheels, they are pricey.
Have a look at Weld Racing Wheels as well for different styles.
What you do need is a manufacturer that makes the wheels with offset you need. You will need a three piece wheel so the offset will be correct.
Scot W is very knowledgeable with...
Did you get your pump issue solved?
If not talk to Joe Telesca on here. He makes a billet hanger with a DW400 pump. Comes with new wiring from the alternator back, sending unit and it drops right in. I am running it with a 70 mm turbo. It will work just fine for 62 as well.