......BUTT I was up at a "Cobra Paddock" at a local car-show and there was some decent machinery aboard. Out of six Cobras---four had the Accusump cylinders in evidence. The owners swore that those things could "save your engine". I asked if they were pains-in-the ass, and they said "no way", "best thing going", "indispensable for autocross", etc. So what's the knock against Accusump...?