“How much does an overhaul cost?” I have been asked this question twice since last Tuesday so I have been giving this subject a lot of thought. My wife was the first to ask, following our shorter than expected (12 minutes) flight last Tuesday evening, due to an engine issue. Our engine powered up as usual but I noticed our rate of climb was a bit sluggish. It varied between 500 to 600 fpm, instead of our usual 700 fpm initial climb rate. We leveled off at 3,000 and the engine did not seem t