Heat the olive oil in a large pot over medium heat. Stir in the red capsicum, yellow capsicum, green capsicum, orange capsicum, onion and celery. Cook until tender. Place pork and beef in the pot and cook until evenly brown. Drain grease.
Mix chillies, diced tomatoes, tomato paste, kidney beans, garlic, lime juice, tequila and beer into the pot. Season with chilli powder, salt and pepper. Bring to a boil. Reduce heat to medium-low and simmer 5 hours.