I got my 66 back yesterday fitted with 134 and a new expansion valve for the rear unit. Cost of changeover including 134 $140 expansion valve for rear unit 48 Misc parts andlabor(I'llnotlisthere) 69 Total 257 It works great and will update the club if there are leaks with hoses. Now off to the 75 and fixing its unsuccessful conversion from some time ago. Matt Hopkins 66 Crown 75 Lebaron 92 Imperial