Thermostat question

The Taurus fan is the arguably the best fan out there for a 22" radiator. Capable of over 5000 cfm at high speed, and pretty inexpensive compared to any aftermarket fans capable of anything close to those flow numbers. But given the amount of room you have between your radiator and your pulleys, I don't see it fitting. Here's a good thread with a lot of info and pictures...

Taurus fan on Champion radiator