Found this in January's Road and Track
Every kilo (2.2lb) of fuel weight saved translates to a .05 second quicker race lap
The stresses are so intense in today's 20,000-plus-rpm f1 engines that the connecting rods stretch 1mm and the piston heads flex at speed
Fuel gets pumped into the Ferrari during a pitstop at 12 litres per second-25 times faaster than your gas station pump
Shell's gearbox fluid engineers can look at a sample and know if it came from either Schumacher's or Massa's scarlet machine
Shell produces eight to nine race fuel blends for Ferrari
Michael Schumacher can detect when a different type of fuel has been added to the car while testing; the smae goes for drive shaft lubricants