> Asking List opinion. > > How do I tell if I have a MAC-11 or MAC-12 (89.5 200Q MC-2)? Neither. MC-2 uses the MAC-14. > Does QLCC work with Charlie Spring and MAC-11 or 12? Other than Ned, only Scott Mockry that I know of worked on the MAC-14, so you'll have to pay for this one if you want proper wastegate and fuel pump control. Orin.