1 Cup White Vinegar
4 tsp Kosher Salt
1/3 Cup Oil
1-2 tsp Tabasco
1/2-1 tsp Worchestershire Sauce
1/4-1/2 tsp Garlic Powder
Using the larger amount of the last three (italicized) ingredients will give you a spicier sauce.
This amount will make enough for 4 chicken halves.
Baste the chicken several times on both sides while cooking