Gary - In my opinion, most of the problems people have with cooling are maintenance issues, not design deficiencies. Not changing coolant on a regular basis, not properly bleeding the system, etc. are the primary causes. The market for these uprated parts are to provide more margin for poor maintenance practices. Mike --- In dmcnews@xxxx, "IN2TIME" <Gary@xxxx> wrote: > > OBTW, If it was true that "The Lotus Engineers knew EXACTLY what they > were doing" and "If your cooling system is up to snuff it will work just > fine", then there would be no market for Triple-core non-plastic > radiators, Fanzillas, or other related "design improvements".