I don't know the exact details, no. Could find out, but I don't have the $$$ to use a 20R nor the desire to go carbed. The Old Celica Club list at www.celicas.org has a lot of guys who know a LOT about 20Rs & 22Rs.
Any chance of checking the cam specs sometime? If it really is quite hot, then it may be exactly what Wayne needs, and if it's not quite that hot, it may be what I need