Just came across this on e-bay, thought it was cool. A corvette by Jay Leno that has an M1 Abrams cooling fan that pushes 10,000 CFM to suck it to the ground giving it 1.3g's on the skidpad! insane!
eBay Motors: Chevrolet : Corvette (item 330289643928 end time Dec-11-08 19:00:00 PST)