The problem is that nobody drives the same way therefore 50,000 miles for one is not the same as another. All other equipments types, aircraft included are serviced according to hours of use, regardless of "miles" or RPM. This was always the hardest thing to educate customers about when teaching them preventive maintenance. This also reinforces Mark's position about not really knowing what you have until many hours later. The soobs belts (2 individual timing belts) are a real pain to change, last time I did one; One goes on then, rotate the engine 90 or 180 degrees and then install the other one! The only auto engines I would consider installing in an airplane are the Honda Accord engine, with Weber tunable carbs, or a Chevy V6 which is really heavy for our KRs. The Chevy works great in the RVs, but is just too heavy for us. If I change I will probably jump over from the VW to the Corvair.
Colin Rainey KR2(td) crain...@cfl.rr.com Sanford, Florida FLY SAFE!!!!