Originally Posted by BobS
Wow, I didnt realize the 5.0 had those higher hp options. I do wonder if whp is being discussed in those kits, I didn't read it like that. I thought the OP has around 580whp? I wouldn't think he would get walked with 580whp, unless that 5.0 is one of the higher hp kits, I guess anything is possible. Creaniz, you should track him down and find out what work was done to the 5.0
Those are just the "factory supported" options. There are several companies building 700-1,000whp kits.