He's referring to a washer at the bolt, not a shim.
First fender bolt near the cowl has a large washer under it. First of all is this supposed to be there and second of all would that of also been P/O? thanks
As far as I know, all "fender" bolts in the early Mustang era were of the assembled washer type, the washer was not easily removed, and were of two basic types, an external toothed type, and a disc washer with small "teeth" under the outer edge. A second washer under a fender bolt and above the fender was
not normal. There were larger flat washers, 44725-S2 - 1 1/4in dia, under the fender at the last bolt used as shims. That what I based my initial statement on.
Seems it was just something done during production around that time. Maybe a new guy that thought that's how it was supposed to be done? Or, maybe there were issues with the fenders at the time? Hard to say for sure.
Several likely possibilities, and without factory documentation or the deviation noted in judging rules, all are incorrect.
If I were judging that area and saw this situation, I would note its location and deduct points accordantly with a note - not factory. Are judges supposed to judge cars to a standard, or judge undocumented exceptions?
Jim