Why Valves Stick

Sticking and stuck exhaust valves are a frequent problem in piston aircraft engines, especially Lycomings. In early stages it manifests itself as roughness after engine start (so-called "morning sickness") and can progress into something much more serious and a significant cause of power-loss incidents and accidents. Conventional wisdom says that it's caused by carbonized oil buildup due to excessive heat. In this webinar, Mike Busch explains that the real culprit is lead, not carbon, and it's actually insufficient heat that's the problem. Proper powerplant management techniques can minimize this problem, and Busch shows you how.
Savvy Aviation offers Professional Maintenance Services to owners of GeneralAviation aircraft, such as: SavvyMx (Professional Maintenance Management), SavvyQA (Expert Consulting), SavvyPrebuy, SavvyAnalysis (Engine Data Analysis) and Breakdown Assistance. Savvy also publishes a monthly newsletter with lots of interesting information for the general aviation enthusiast; subscribe to it at www.savvyaviat.... For more information, visit us at savvyaviation.com. This webinar was hosted by the Experimental Aircraft Association (EAA).