hmmm... I thought all F22b's are SOHC. Anyway, hondamaniac considered that idea not a long time ago. There are a few boosted F22's on HMT and SHC. They like it. If you decide to do an HMT style turbo, you can modify an eclipse 4g63 turbo header to make it work. Go to HMT and search:
www.homemadeturbo.com/forum
they have pictures too.