OK , I will list two site that have info on the VGTurbo, they are from
Banks Power , these guys know how to get power from any engine.  they also
have done some MAP for the VGT controller.
http://www.bankspower.com/sidewinder-turbochargers.cfm

http://www.bankspower.com/sidewinder-turbochargercont.cfm

I had no idea these guys were already dealing with the VGT , there is some
good info even on the home page and these two I have listed on here.

John