Garmin 275 EIS Home › Forums › Operation of Our Aircraft › Engine Management › Garmin 275 EIS This topic has 1 reply, 1 voice, and was last updated 4 years ago by Richard Harrison. Viewing 1 reply thread Author Posts May 10, 2020 at 13:36 #13755 Roscoe RoschéKeymaster Take a look at this little device, the Garmin GI 275 EIS. Attachments:You must be logged in to view attached files. May 10, 2020 at 23:46 #13758 Richard HarrisonParticipant How does that compare to the Electronics International CGR30P which has been out for many years? I purchased one for the Yankee project. Attachments:You must be logged in to view attached files. Author Posts Viewing 1 reply thread You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In