ORIGINAL: Skypilot_one
I have a OS 160FX with over 16 cases thru it and it is still going strong, it does need a rear bearing. So I don't understand how he could not get them to run.
We don't know who paid him. I find it hard to believe a hobby fuel company would go thru that kind of trouble.
I think the rear bearing that is in the 160 is the same that is in the old trusty 108 and now in the 120AX. I know the pattern guys like to open them up and put a SS rear bearing in and be done with it.
He had a very bad experience with the 1.6's--and poor performance.
I don't think he breaks them in like us. All my OS's have been very good to me.(knock on wood) I don't run them hard though. My planes are powered such that I don't go to full throttle very often and when I do it is only for short periods. I don't run them lean, am careful to run them dry end the end of the day and always inject after run.