258 – C’mon Does Valve Lapping Really Work?!

258 – C’mon Does Valve Lapping Really Work?!

April 3, 2026 · 36 min

About this episode

The episode discusses the effectiveness of valve lapping in aircraft engines, particularly focusing on a turbo-normalized A36 Bonanza's exhaust valve.

This exhaust valve in a turbo-normalized A36 Bonanza looks quite good. The appearance is mostly concentric and uniform. There’s just that one area at about the 10 to 11 o’clock position that looks slightly uneven. If the compression test had been good, I likely would not have lapped the valve. But since it was 44/80 […]

Topics covered

Keywords

Mentioned in this episode

Products: A36 Bonanza

More episodes of Airplane Owner Maintenance - By Dean Showalter

Explore listener stats, chart rankings, contacts and more on the Airplane Owner Maintenance - By Dean Showalter podcast page.