Preheat smoker to 250 degrees F.
Prep your smoker with apple wood.
Clean and pat both chickens dry.
Pour one tablespoon of olive oil over each chicken. Rub it all over the skin.
Sprinkle montreal spice over one chicken, rub it all over the chicken so it covers every part of it.
Sprinkle onion spice mix over the other chicken, rub it all over the chicken so it covers every part of it.
Place each chicken in the smoker, whichever side you like up first. You are going to want to flip it over halfway through the cooking time. So plan for that when you pop them in.
Smoke the chickens for about 3 and 1/2 to 4 and 1/2 hours, depending on the size of your chickens. Flip them over half way through.
Remove the chickens from the smoker when finished (internal temperature for chicken is 165 degrees), place each on a plate. Allow to stand for 15 to 20 minutes to allow the juices to redistribute.
Carve any which way you like.
Serve with a big old poultry loving smile!