I saw a 4x2 V10 supercharged at a truck show not too long ago. It was a 2002. The dyno sheet posted said it put out 386hp at the rear wheels. Not too shabby. The kit was from Whipple Industries. I'm not sure of the boost. I'm currently looking at supercharging my 5.9 dodge. Happy motoring!
www.whipplesuperchargers.com