Swiftster, I hate to argue with you(again), but the rotory has issues. As for as simplicity goes, the rotory is truely for lightweight cars. But their by no means bulletproof. Seems to me that the points on the rotors like to grind off causing poor compression and smoking. As such, their almost useless by 100K. Otherwise, mazda would be Still putting them in its entire product line. As for the wankel powered hot-rods, wouldnt it work to place a rotory in something like a spirit, a mustang, a escort or something else lightweight? Just to be different