AT 1800 hours since major overhaul -- seems to me it's time for a major overaul.
Mark,
That may be true but, 13 years is also a recommendation. Just out of curiosity and the sake of safety, how long did your previous engine last?
I have no idea. That's why I decided to replace it. The logbooks said 6,217 total time, and about 700 SMOH. No real reocrds of what "major overhaul" entailed. I didn't feel like messing around with a 41 year old engine with more that 6000 total hours on it, even if it maybe was fixable.