Fast Freddy has a 3.4L gen 2
http://www.fordgtforum.com/forums/showthread.php?21182-Whipplecharged-and-dyno-d-my-GT....
Whipple website:
http://www.whipplesuperchargers.com/product.asp?ProdID=1224
Ed Sims last year said he was getting approx 800+ RWHP with a 17lb pulley on a Gen II Whipple?
Yes, but Ed has a built motor from Shadowman with ported heads, cams, new pistons, rods, etc.