Hello Dl owners, today I had a disturbing event with my DL A seizure in flight rock solid. I use 50:1 amsoil I also own a DA and BME using the same mix. Bob told me to send it in. It has always made a rattle noise at TDC and then at BDC. I will keep you informed the engine rated up there with my DA great power nice idle at smooth transition. so no complaints. I hope it get taken care of was purchaces in sep 07. later Hog