Cessna 421 and 414 in the hangar. Always great debates on what airplane is best. They both have the Continental 520 but the 421 has the geared engines. I think there are more issues with cylinders on all these big continental engines than there is with the gear box. I prefer the 421 but only two of us fly it and we own our own shop so we can maintain it in top shape. If you have different pilots flying the airplane you might be better off in a 414. Amazing that in 40 years there really isn’t an