3.4L whipple for my mach 1?

i want to buy a 3.4L whipple for my 03 mach 1 after seeing others that had it. but when i talk to the manufacturers of whipple they wont tell me the info i need to mack this conversion like the type of whipple i need for the internals i would have to upgrade to support such a supercharger. can some out there that has done this to their mach help a fellow driver out?!