Originally posted by nd4speedm1
wire a spark plug to a switch then drill a hole near the tip and wire plug to power source also (duh) and push switch and it will light unburned gas on fire 
make sure u dont turn ur car off with the switch on because flames will shoot back up ur exahust and into ur engine folowing the gas and then BOOOOOM.....
ur gonna have to be running pretty rich to do that.