Thanks for all your comments. I went ahead and made the purchase with the understanding the seller would take care of all the calendar due components replaced so I don't have to worry about any of those for 5 years and tach time components for 380 hours. I should be able to log 500 hours before anything major on the time limited list, according to Roger Sharkey. I hope so. I flew it yesterday and with the seller's assistance tried to learn all the quirks and personalities. The Lamiflex bearings are surely worn because the instruments panel was difficult to read at times due to the shaking. It made it difficult to keep the needles in the green and not overboost. I discovered that I reverted to my R22 training and used the collective rather than throttle as primary RPM control and quickly lost RPM. I learned how to milk it to regain RPM, but this is going to be a moderate learning curve. So to all the experienced older model 280C Enstrom pilots, ie. no correlator, is there any practice routines to get used to the throttle control and turbo lag? I think the seller had the friction on the throttle a bit tight. I don't know if that was the reason for my hand getting tired or more of an apprehensive death grip. Do you keep it tight? I found myself chasing the RPMs to the point where I didn't even talk on the radio. The seller, even though he is not an instructor, did tell me that he was surprised how well I did even though I haven't flown rotorcraft for 4 years. I've got the gift, but I refer to my fellow pilots for all the secrets. I found myself not using enough pedal as well, but that is due to the fact I fly a Mooney, very little need. So chime in with all your training suggestions. I don't think going up with an experienced instructor will give me anymore than I already got from the seller. He has over 1000 hours in this helicopter. I think it is just a matter of getting use to it and that will require time. So what exercises worked best for you all?