I’m not familiar with Mark’s 37 wheels but if they use acorn nuts that are either curved or tapered on the back, the percentage of metal to metal contact is severely compromised as the holes wear. That seems to me the lug nuts could therefore loosen much easier.

1957 Chevy 3200
Daily Driver
PS, A/C, Tilt column, Rebuilt 350, Rebuilt TH350, Reupholstered Bench Seat, sound proof/insulated, LED headlights/taillights/backup lights/interior courtesy lights.
Follow in the DITY