1981 WORLD CHAMPIONSHIP BUTTERFIELD STAGELINE CHILI

4 medium onions, minced
10 lbs lean beef brisket, finely chopped
1/4 c oil
1 1/2 cloves garlic, minced
2 lbs ground pork
1 can (7oz) whole green chiles, minced
1 can (15oz) tomato sauce
1 lb whole tomatoes, finely chopped
1 T cumin
1 t salt
1 t oregano
1 T dry mustard
1 oz tequila