Best,

Do you mean put it on the output of the lower radiator?

 

Yep in the OEM spot. It’s worth a test run at least, the 04 WJ I had with a 4.7L V8 had the Thermostat in that spot & it worked without issues.

 

I really want to get my hands on a spare intake & see how hard it would be to install a standard thermostat on it. That would certainly be ideal.

The lower hose = yes it will be cooler longer, but I’d like to at least see how it would open. I looked online for a bit and saw a lot of inline housings on hot rods placed down there due to their setups.

I’ve been to busy beating rusty things off my 97 XD to mess with a D2 cooling system. I’m honestly happy with my 180F britpart thermostat/HD fan clutch, and dorman 620-112 fan blade, but I’m always up to experimenting on different configs.

 

How does that work?

The coolant from the rad would be cooled, the thermostat whichever way it would be installed wouldnt get heated coolant to open. The cooled coolant would most likely keep it closed...

If the goal is 195 or less...you'd have to install a really low stat.

I don't think there's anything really wrong with the stat...unless, like many here, use the new stat on initial startup from a head gasket job, get the crud that hasn't settled stuck in the little holes...or they got scared at seeing 210, 220 and shut the car off instead of letting it cycle.

 

Yep I agree, I really what it at the intake manifold, but I personally have zero issues with a D2 cooling system since the OEM 180F Thermostat.

 

This was a great read! Also, maybe, a sticky cooling thread? Lots of great sleuthing and shows why this forum is numero uno in the Disco world!