Well I had my KDP killed and timing advanced today, while taking the radiator upper hose off I was amazed the amount of crud on the surface of the piping. I only have to lash the valves and flush/change the coolant then all the maintenance is pretty well done. Anyways my temperature gauge never fluctuates, and it takes at least 6-7 miles to get it up to full running temperature (165?). Is my thermostat stuck open? What is the hottest thermostat available?

Thanks.

 

Sounds like you either have one stuck open, or the "updated" thermostat. I had one of the up dated ones in my truck when I bought it. It's in a landfill somewhere, now. Check out dodgeram.org Under the tech bulletin section, there's part #'s for the good (old version) thermostat.

 

It seems like everyone offers the 180*F version but is there any out there hotter than that? The 24V has the 190*F but I'm doubtful it'd swap into the 12V. My new coolant has a boiling point at 365*F at 0psig so I'm not very worried about it getting to hot.

 

I had a deal like that and what I found is the rubber ring around the thermostat came off and got stuck in it. What that ring does nobody can answer but it work great with out it.

 

Rather than just driving around to warm up that thermostat, you may try what I do. I add a piece of cardboard between the radiator and the intercooler. It works like a charm! It may take a half hour or so.

I went through the same thing with my 97. It had 168,000 miles on it. I cleaned my radiator and replaced my thermostat but STILL would'nt get above 160'ish. After all that, the reason I couldn't get the temp up was because I had a bad fan clutch! It also affected my fuel mileage.

Tom

 

Well I got my 4 gallons of Evans in stock and 3 more on order, I just need to figure out something for the thermostat now.

195*F might just do the trick, thanks.

I'll check my fan clutch to make sure it is disengaging when cool.