Guys, I know some of you are addicted to drag cars and alcohol for fuel. That's all well and good but, until you stand next to a 1650 Rolls Merlin, 2240 Rolls Griffon or 1710 Allison when they are fired up, you can't get a real appreciation for the power that can be generated by an piston engine. Top fuel engines run for less than five minutes and with a load for less than 10 seconds before being torn down and rebuilt. The V12s can run for hundreds of hours in an aircraft and for several hours in boat racing configurations before needing a rebuild