i run out of space on a 28 x 58 inch grill, i would def try to get 28-30 inch pipe, more than that and then it get a little deep if if you dont have pull out shelves. damn dont mind me i read first page only didnt realize it had 4 pages or the dates, lol ok im retarded and new.
one thing though on the slide out part for the cooking surface take 2 3" pieces of 1" angle and weld them upside down at end of slide to stop shelf from falling out, gimme a min ill take a pic of the pit im building now
charbroil offset, custom trailer pit, 46" vermont castings gasser, 18" kettle, big poppa smokers engineered drum kit smoker than was never picked up = NEW TOY!
and last but not least: a never ending 20' comp trailer project