My gut feeling is the uneven gap in that opening is not that critical. The subframe is built from two shells welded together top and bottom. The gap in that opening may just be part of the assembly process, I don’t know. I damaged mine by pushing the bushings in poorly aligned. The bushing caught th...

Wow, I didn't think you could apply so much force that the subframe gets bent. Did you use any kind of lubricant? The subframe looks quite dry. I always use silicone grease because that doesn't attack the rubber. Perhaps that would be worth adding to the Printables page. But as the others said, the ...