Cam trenched my cases and tested the clearance with a billet crank at his shop then when I got it stuck my wang in it ( lol) the wang hit the cases and wouldn't turn in a 4 diff points had to remove quite a bit of material to make it clear
Maybe the junk rods was fatter at the bottom or something who knows but it has the 29lr rods in it and unlike a lot of others I seen the pin was welded all the way around on both sides and it also made it through all last season drag racing