Sometimes it's best to follow the research previously done....
Below find the way to the experiments of he who wears the foil hat ....
Mad Science Experiment - Burning Rub Ingredients
Hook Line and Sinker
Viking 30 inch Gravity Fed Charcoal Smoker
Brinkmann 5 burner gas grill with sear & rotisserie
UDS's 3 and growing
Char Griller w/SFB w/mods
Charbroil 7000 Gas Grill