Tire pressure Home › Forums › Technical Information › Tire pressure This topic has 1 reply, 2 voices, and was last updated 5 years ago by Roscoe Rosché. Viewing 1 reply thread Author Posts May 5, 2019 at 16:15 #12441 Frank BeckParticipant 72 Grumman traveler poh shows 21 nose and 24 mains just purchased it and was checking the mains were at 30 and the nose 26 any help May 5, 2019 at 16:19 #12442 Roscoe RoschéKeymaster Depends on the ply tires you have, they traveler was 4 ply and the tiger was 6-ply. You can inflate the 6-plies to the values you found. FYI Roscoe 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