Combine dry ingredients blend thoroughly, set aside.
Clean chicken, discard neck and giblets and dry.
Coat chicken with olive oil.
Rub dry ingredients on the inside and outside of chicken.
Using indirect heat preheat grill ( only light one side of burners).
Remove entire top of beer can with a can opener discard or drink approximately half the beer, and add garlic cloves and Jalapenos.
Place can inside the chicken so it will stand up alone, place on unlit side of grill and cook for 1-1/2 to 2 hours at 300 degrees then brush on BBQ sauce in the last half hour.