Wow. Just wow. Chrysler NEVER had OE cooling issues. So we are going to swap in some unengineered junk, use a cheap assed electric fan that at best is in the way and blocking flow at speed and is most likely just worthless and then wonder why there are cooling issues.
Now, I just read some dude says the block is cracked somewhere, so he did some "welding" on it!!!! WTF?? To weld cast iron and do it correctly you need preheat, post heat and a controlled cool down process. And it will still warp the crap out of every surface and hole in the block.
This is a mess. If the block was broke it should have been replaced.
The radiator should go into the scrap bin, replaced by a radiator designed to fit the chassis, with TWO cores and no more of at least 1 inch.
Ditch that junk fan and use a good, belt driven fan. The power you THINK you save is ate up and them some by the fact you can't control engine temp.
Buy a real, high flow water pump and thermostat. That's a Milodon or Flowkooler pump and a Stewart Componants thermostat.
Then, make sure your water pump is turning FASTER than the crank. Overdrive the water pump, just like Chrysler did.
You do that, you'll be able to drive through hell with lucifer in the passenger seat and stay at 180.
What a mess.
