See if this works
http://www.highendrc.com/index_eprod...products_id=35
Use with APC 4.75x4.75
60 amp esc will work (plush if from H. City) I would go next size up on ESC (80ish)
You will be in 120 mph range
To decrease speed go to 4.45x4.50 or 4.75x4.25??