This is the answer. They move about 4000 cfm. Also used in the Mark 8. I have one on the race car. When I turn it on, small animals get stuck to the grille. Really, they move a shat ton of air. All the aftermarket fans are junk, cant cool down a hot wheel.

 

Going through some A/C issues right now. When the system is working like new the A/C is pretty darn good in these vehicles. My Ex is black, in an area where normal daytime summer temps are above 100F. Sitting in the sun idling when everything is working correctly the system has no problem keeping the cabin comfortable. Not cold, but good enough to where you don't need the vents blowing directly on you.

My advice would be to get the system working like new before making any modifications. The FSM has a REALLY good evaluation procedure for testing the entire system. The downside is that it is probably a good 4 hour job for an experienced tech. I'd be lucky to do it in 8 hours. In the past few years here are the things I've come across: 1) Vacuum. Multiple times. Fixing it is easy. Finding a leak can be a PITA. 2) Clean everything especially the cores. There aren't air filters in these vehicles and a LOT of cr*p can build up. 3) The air blend door and heater cutoff valve. I am working on these this weekend. The default in the system is to heat the air unless cut off by the blend door and the water valve. The heater is just as good as the A/C so if heat is activated it can overwhelm the A/C. Even a small leak can materially lower cooling capability. There are probably other things to check that I am not thinking of but these three things can make you think that the A/C isn't good enough when in reality you just need a repair. Remember, you are driving a 10+ year old vehicle. Maintenance like this is to be expected. The good thing is that the system is easy to work on compared to most vehicles and it is not overly difficult to get things working like new.

 

One thing I did to help my black Excursion in the Texas sun was put a dial thermometer in one of the vents. It doesn't help it get any cooler inside any faster, but when I see 40 degree air coming out of a vent, I am satisfied that it is sure trying as hard as it can. My typical starting temps after work can be 135-145 degrees and that is after using window shades with dark tinted windows. It takes a while to knock that much heat soak out of that much vehicle.