Some antique aircraft, such as the Boeing-Stearman Model 75, which originally used other engines, have had them replaced with the Wasp Junior to provide more power or for easier maintenance, since parts for the Wasp Junior are readily available.
Nogle antikke fly, som for eksempel Boeing-Stearman Model 75, der oprindeligt brugte andre motortyper, fik dem udskiftet med Wasp Junior for at få større ydelse eller for lettere vedligeholdelse, eftersom reservedele til Wasp Junior var let tilgængelige.