Quote Originally Posted by InfiniDG355
I need one to send to America's Funniest Home Videos showing a car going around the track and all of sudden 4 tires explodingand the car on rails!!
^ Helium isnt flammable is it?

But everyone including myself is cracking on him hardcore but there is some validity to this. I read somewhere a long time ago about lockheed doing that for a lot of different tests. Some bicycle riders do it too. But the cost to fill up 4 tires would outweigh (no pun intended) the benefit from the lost weight.