Here's what the gauge looks like my 2001 2500hd, and you can see what it indicates as being too hot, this being said, the hottest I've ever seen it is about 180 in the summer, unloaded.
Directions. 1  In a Dutch oven, cook ground beef and onion until meat is no longer pink and onion is tender; drain. 2  Add the next eight ingredients; bring to a boil. 3  Reduce heat; cover and simmer for 1 hour, stirring occasionally. 4  Remove the bay leaf. 5  Serve with spaghetti. 6  Garnish with oregano if desired.
So, I use a recipe for Alfredo Sauce. Here it is. 3 tablespoons sweet butter 2 tablespoons olive oil 2 garlic cloves, minced 2 cups heavy cream 1/4 teaspoon white pepper 1/2 cup grated Parmesan cheese 3/4 cup mozzarella cheese Melt butter in medium saucepan with olive oil over medium/low heat. Add the garlic, cream, white pepper and bring mixture to a simmer.