Originally posted by Top Gun 777
We did tested crancs for rigidity and found that REX is the best from this point of view. I can't explane why, because all of them suppue to make at the same "OVEN", but they are different.
Not sure either. Maybe the guys on the Rex production area (line) of the factory are doing a better job than the guys on the main nova production area. But whatever it is I know the Rex .21 was the best engines we ever had.