him. >> from one airborne race car to another, no wrong turns here, just fast and tricky. and this one definitely makes a safe landing. may 2012, ten blocks, strapped into his custom race car. all systems are go. >> it can do 0 to 60 in about 1.8 seconds. very, very fast. >> over four days, block uses and abuses the iconic streets, hills and water fronts of san francisco.