Old Buffalo Breath Chili

1 (5 pound) chuck roast, at least 3 inches thick
10 to 11 garlic cloves, crushed
Salt, to taste
Chili powder
1/4 cup olive oil
About 1 to 2 cups beef broth
Juice of 1 Mexican lime
2 teaspoons ground dried mild red chile, such as ancho or New Mexican
2 teaspoons ground dried hot red chile, such as cayenne or chile de arbol
1 tablespoon cumin seed, toasted and ground
2 teaspoons Mexican oregano
Chiles pequ