Fumblin,
37's and 38's are both one year only models, in both the cars and the trucks. They are amongst the easiest models to identify, once you see them or if you know what the grill in the cars of those same years look like.
There can be no mistaking the trucks, as they're just larger versions of the same year car grills.
The 37 is similiar in shape to the 38, but the bars run vertically instead of horizontally, and have a little bit of a sharper point in the front.
