Very nice work on all that plumbing. What fittings did you use? Earls, Russells? What size did you use on that section where the check valve used to live?

 

You might have a 350* flame under your water heater tank, but the water temp may still only be 120*.

So, is it more important to know how hot the fluid is coming directly out of the trans or the overall average temp?

(My knowledge of slush boxes is rather limited)

 

As long as you know where the sensor is and what the temp should be in that location it really doesn't matter where you mount the sensor. My preference would be on the hot side inline to the cooler.

 

Here's my setup for more reference on your project.

Magnefine Inline auxilary filter (replace yearly)
Long's 180* thermostatic bypass valve
Flexalite 8 pass HD Oil Cooler

 

Summit. -6 AN. and thanks :-)

 

My take on it is, the temp of the fluid coming out of the trans tells the tale of how hot your trans is actually getting. Testing temp of fluid that has already been thru the cooler seems kinda pointless...... by the time that fluid hits 240 degrees or so, your trans is already eating itself up due to heat.

 

Gotcha, okay. And that would be the "high" point, 240* on the line TO the cooler?

 

renardk provided the info.

220 would be the hottest you'd wanna see, better to stay around 180 tho. I don't have a trans temp gauge so I don't know where mine hovers.

 

Yeah, saw that. Just was curious about the upper limit of temp before it was cooked and needed replacing, thanks.

I found some info on flushing the stock external cooler. Is it common that they clog up some of the passeges? I might as well flush it when I do the gauge.

 

There ya go.

image courtesy of Transmission Exchange.