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Complying with the 51% rule, bringing Canadian aircraft into the U.S., adding auxiliary fuel tanks, using non-TSOd ADS-B in an Ercoupe.
Continental Pushrod Tube Modification
Owners of a certain type of Continental engine, the cam-at-the-bottom variety, are undoubtedly familiar with the annoying seepage of oil from swaged pushrod tubes and rubber pushrod seals. Now there's a cure, and author Ron Darcey describes the fix.
