Polls & QuizzesPoll: Have You Had Any Issues With Continental 520 Or 550 Cylinders?By Editorial Staff - Published: November 6, 2022 Updated: November 10, 20220PrintEmailFacebookTwitterLinkedin Poll: Have You Had Any Issues With Continental 520 Or 550 Cylinders? Don’t fly them. Fly them, but no issues. Yes, cylinder cracking. Yes, cylinder fracture. Yes, engine failure. OtherΔ