I am not yet a Viking owner and am still in the research mode. A 1973 Viking has a continental IO-520 and a 1974 has a Lyc IO-540. Is there a preference? Should I expect to pay more for a plane equiped with one or the other? This topic has probably been picked to death and lots of info must reside someplace.
Thanks, Mark, a Stinson owner
Thanks, Mark, a Stinson owner