[ChrisBennet]

I can almost guarantee that the case will have to be machined. An by "machined", I mean "resized". The last time I had this done was probably 8-10 years ago and in was around $1000.

"But, but, but the bearings look fine!" Here's the thing: when you unbolt the case halves of a 2.7, they go "boing" and twist. (They don't actually make a sound.) To see for yourself, put the crank back in and try to turn it...