They should call it Kiss me goodbye. Its not going to rebuild compression, if it says that it will stay away from it. Rule of thumb is, if it sounds too good to be true, it ususally is. Our 10 year old daughter was playing with the Lucas oil treatment display, you know the one with the plastic gears inside? She says to me, "I know how they do that, they put syrup in that one" and pointed at the one with Lucas. Now would you put syrup, or something with the same consistency in your motor?