
The episode discusses oil consumption issues in aircraft engines and techniques for running carbureted engines lean of peak.
Which oil is best, where is the oil going, running lean of peak with a carb, and how to fly a turbo are on tap for this episode. Email podcasts@aopa.org for a chance to get on the show. Join the world's largest aviation community at aopa.org/join Full episode notes below: Chris' American Champion Super Decathlon has an oil consumption issue. While his engine was apart after a prop strike the cylinders were honed, and he broke it in properly. He has since replaced cylinders, broke it again, and is still only getting three hours per quart. He said oil is coming out of the fuel servo, which everyone has told him is normal, but the hosts quickly disagree. Mike suggests borescoping the back side of the intake valves and looking to see if one is oily. If it is, chances are the intake valve isn't seating properly and is being sucked back up and burned. Chris is trying to run lean of peak with a carbureted engine. He has an O-360 and he wants to make sure he's not doing anything wrong. His technique is to lean to the point of roughness and enrichen only enough to smooth things out. Mike said that's a solid technique and that most four-cylinder carbureted Lycomings run well lean of peak…
Organizations: AOPA
Products: American Champion Super Decathlon, O-360, Piper Turbo Lance
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