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I'm replacing my Radiator from a stock unit to a 3 core aluminum rad. I'm figuring that while I've got the space I'll replace my thermostat. I've read lots about guys using the 180 degree thermostats but I don't want to mess with the computer and screw around with my fuel mixture. So I'm looking for a solid 195 degree thermostat to drop in. I'm not having too much luck looking around on-line and I'd at least prefer to know a bit before heading in to a Autozone or a Pepboys.

Any Suggestions out there? Links would also be appreciated

Also, it looks like a lot of people change out the thermostat housing when they change the thermostat. I've seen posts regarding aftermarket housings. Any advice, experience or opinions on those would be appreciated

* The Jeep has 183,000 miles but I plan on running it forever (I do repairs like it has 10K)