kinda correct , go here for more info http://en.wikipedia.org/wiki/Yield_(engineering) don t evo power & machine www.accessatc.net/~piggy www.snartracing.com SOME PEOPLE ARE LIKE SLINKIES..... THEY ARE NOT REALLY GOOD FOR ANYTHING... BUT THEY STILL BRING A SMILE TO YOUR FACE WHEN YOU PUSH THEM DOWN A FLIGHT OF STAIRS.