Abilene VS Cheyenne VS Wichita

My question is :
1) can you effectively smoke on the Abilene 20" ?
2) Is the size difference between the Cheyenne 16" and the Wichita that big of a difference? I want to know if there is enough clearance for pork shoulders without the lid touching them. thanks!
1) can you effectively smoke on the Abilene 20" ?
2) Is the size difference between the Cheyenne 16" and the Wichita that big of a difference? I want to know if there is enough clearance for pork shoulders without the lid touching them. thanks!