Chunky Beef Chili

Name: Chunky Beef Chili
Ingredients: 2 1/2 pounds chuck roast, cut into cubes; Kosher salt and freshly ground black pepper; 1 tablespoon vegetable oil; 2 1/2 pounds ground beef; 6 cloves garlic, minced; 20 ounces beer; One 14-ounce can whole tomatoes; 3 guajillo chiles; 2 tablespoons chili powder; 1 tablespoon ground cumin; 1 tablespoon Mexican oregano; 3/4 cup masa; Four 15-ounce cans pinto beans, drained and rinsed; Four 15-ounce cans red kidney beans, drained and rinsed; Pico de gallo, sour cream and lime wedges, for serving