I think when you built that....and designed it....you get a free pass to look however you want!
Wonder what the crank stroke is? I wonder if that particular build was one of the 500 cube deals. He said the bores were 4.125 as is, but never actually said if the motor in the video had been finished larger. Either way....youre talking major crank stroke if its indeed a 500 incher with only a 4.125 piston