Deuce Cam wrote:I'm assuming your using a ae82 or 92 t stat cover? Tell us more about your setup and how well it actually works for cooling / consistency. Any quirks?
You're right about the housing, looks like this:

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http://dreamsofdrifting.com/ae86/waterinlet/This is by no means my idea, I found out about it when i had my first coupe in 2008 and did it on that car as well (i just forgot which diagram i used back then which led me to create this thread). It's still relatively new on the current coupe, but I ran about 6 track days with the old coupe and the setup was perfect, fans kick on and off at certain temps (i don't know off the top of my head, but you can get different switches for different temps if i remember correctly) and had 0 cooling issues as far as water temps are concerned.
I liked it much better than the clutch fan or a manual switch. I'm currently using a 13" SPAL pull fan which fits right under the stock fan shroud. The only thing i'd keep an eye on are the fuses and wiring, using the wrong gauge wire could cause premature wear on fuses and fan failure, leading to potential overheating.
Here are links what i used:
-Fan:
http://www.amazon.com/gp/product/B009OB ... ge_o07_s00-Wire/Relay:
http://www.amazon.com/gp/product/B003PB ... ge_o07_s00-Relay:
http://www.summitracing.com/parts/BCH-0332209150-You can find the thermo housing & switch from your local pick a part, i bought a new thermostat & gasket from toyota just to be safe.