Hot weather update:
The Taurus fan setup did everything I'd hoped it would do. Hot weather, a hard run and a prolonged idle yields steady 185deg coolant temps now. That happens all on the fan's low speed too. The fan never has to go to Hi either, even though I have it wired to a secondary 195 deg sending unit I mounted in the bottom of my expansion tank. This is the best coolant system mod that I've done to date. Hollister's wiring harness is champs too. No more worries on frying my $$$ 482 KC aluminum Pond motor either.
Dave