EFI-DIY,
I saw this from Vortech.
It's a supercharger kit for the Chevy 3.7 inline 5 cylinder.
http://www.bangshift.com/blog/Vortech-Blower-for-Inline-5-Cylinder-GM-Engines.html
Was wondering if it will bolt up to a 4.2?
Is so, maybe there is a bigger blower that will fit on the 4.2?

MBHD


12 port SDS EFI