The GM fans do run different directions per the Jag Service Manual. The difference in the squirrel cage size is taken up by making a large silicone gasket surface on the the outside of the mounting plate pad. Then waiting for it to setup and mounting the fan…it barely fits but it does without touching.
Jaguar AC system is equal in efficiency to the wiper system. I can get 40-42F at the side vents but
currently it is freezing up the evaporator. I plan on replacing the drier an evacuating and recharging
ONE more time before replacing the whole heating and AC with the Vintage Air System. Heat works
well in the car and it already is run by electronic Vintage Air Heater Servo unit.