Here is my Luscombe 11A panel contents which needs the avionics updated to be IFR capable:
GNC 250XL, Narco AT 50A Xponder, KX 155 nav/com,
Century NSD 360A, JPI 730 engine monitor on Cont E 185-2, PM 501 intercom, No ADSB in/out. Am toying with a GNX 375 or GNC 355 nav/com as part of the...