here is a my Technic Supercar collection to date, thanks to Crowkillers, Jurgen Krooshoop for their designs, the last four pictures show the original Lego Supercars that I have, although one did get broken up for the Koenigsegg.
KOENIGSEGG CCX-R by JURGEN KROOSHOOP.
VAMPIRE GT by CROWKILLERS
SUPERCAR DELUXE by CROWKILLERS
LAMBORGHINI GALLARDO by CROWKILLERS
SET No 8070, now broken up to build Koenigsegg
SET No 8070, has been modified with a rear engine transplant, removal of the power functions motor and gearbox, modified doors.
SET No 8448, V10 engine, other minor modifications
SET No 8880, lowered and stiffer suspension, not much else done.