Yeah I agree, the hardest part of the install is getting the stock clutch fan off. I ended up making a tool out of a 2x4 and two bolts after learning the hard way and bloodying up my knuckles first...

 

I've learned a lot of mechanic's skills by bleeding first LMAO
I'll be happy when this e-fan thing is all working properly though, it bugs the **** outta me right now.

 

wish i had your guys luck with getting the fan off, i even went as far as buying the spanner wrench made to hold the pulley in place to get the fan off easy, it had a two foot handle on it and even with a pipe on a wrench i still couldnt get it off, had to spend the better part of an afternoon with a hack saw and bloody knuckles getting it off, then using the ol dremel to cut the rest of the fan nut off without cutting the pulley or the threaded part of it!

 

just a 'for what it's worth'...

those fans are a royal PITA.. if you try to muscle it, you better have eaten your wheaties.. the best thing to do is shock it with a hammer on the end of the wrench a few whacks.. it breaks the threads free and is hella easier than trying to apply steady pressure.

 

i tried hitting it quite a bit, which did jack squat, that was the start of the bloody knuckles in my case!! i even tried the ol wd40/penetrating lube days ahead of time trick too, anyone have that work for ya?

 

I'm reluctant to get a efan just because of the wiring. I know I'll f*** it up.

 

The wiring isn't difficult, just tedious if you solder the large gauge wires instead of crimp. If I had crimped, I would have been done much faster, but I do not like crimped connections if I can avoid them.

**edit**
Also, I can post up a pic of exactly where to wire the 12v power-on signal wire. I had to dig through all the tiny spade-style fuses in the TIPM to find one that was only on when the truck was actually running, not just ACC.

 

OK, so after using my truck to tow around a horse trailer for my sister this weekend, I have to say that I am not at all pleased with the thermistor used to engage the fan. The temperatures would routinely reach over 205*F after leaving the highway before the fan would finally kick on. This is in 60* ambient temperatures, so I can't imagine how it would be during our 100*+ summers. When the fan is running, there is no issue, as it keeps the truck cooler than normal (around 190-193* on the Superchips, which is lower on the dummy gauge than before the t-stat swap), but it quite simply takes too long before the fan turns on. Any ideas on how to fix this issue? I am stumped at the moment.

 

Quick update. I did a lot of searching around the ole' interwebz, and came up with this. It's a Thermistor that actually goes into the coolant where it exits the engine. On my 4.7L there is a threaded hole on top of the engine outlet that the coolant hose connects to. There's a scew-in plug in there now that you just take out and replace with this new temperature probe. I'll post up some pics as soon as everything gets here.

 

Easiest way to get the fan off is with an air hammer and pointed tip. Give it a few good rapps on the edge of a flat and it usually comes right off. Done quite a few that way.