After doing some reading on a members over heating problem and then some of the replies suggested a radiator from Dewitt Radiator. researched the company, read reviews , watched vids then Went ahead and ordered one with the 1.25" tubes and extra big trans cooler installed.It was pricey but should help solve the dreaded temp creep during extended highway drives in the Riv. The rise in temp is much quicker when using the A/C for obvious reasons. So I got to thinking if the alumn radiator is that much more effective at cooling the engine, then a aluminum A/C condenser should do the same for cooling and condensing the freon . Whats in there now is steel with steel fins. Its not dirty or plugged. Do any of you know of a company making a replacement for the condensers? if not Im sure I could make something else work.