not sure why there'd be any 'contention' about it, and there certainly won't be anyone 'proving' much about a 41, especially a GMC, where assembly manuals aren't available, although you might find some factory photos where that level of detail is visible .... the TF series had no welting front or back, previous series had it on the back only - my unmolested 46 GMC 1.5T had no welting on the front, there really isn't anyplace to put welting on the front of the models with hood side flaps
Bill
