Mine is guaranteed to hold for speeds up to and including 80 MPH, I got the new super-duty, new-and-improved unit. :roll: :roll: :roll:OTG said:The gas cap mod adds a bit of Loctite to the screw that holds on your key flap on the gas cap. This keeps it from coming loose and flyin' off at 65 MPH.Natrillius said:Hey Guys,
I really hate to sound ignorant but im trying to figure this out. What exactally does the Gas Cap mod do?