>>28463176https://youtu.be/ZriQAEfJ6RY
Bearing size, tiny rod bolts, and weak head studs seems to be a common complaint. Actually the same issue with the older EJ motors. It's a motor built to a price point (ie it's perfect if you want 220hp crank AND 40mpg in a $30,000 car) but will break if you ask more out of it.