threaded stud on rear wheel well repair piece?

[fwillison]

I got these to repair the area behind the rear wheel wells (just outboard of the bakelite heater ducts).

They have a threaded stud pointing out toward the fender.

Nothing like that on my car.
Anyone know what this is for?

It's #15 in the diagram

[61SNRF]

It's a stud used for rear fender front lower mount.
Not certain if they stopped using them on late models, my 66 has one on each side.

Here's a pic from the Gallery showing where it is...

_________________
-Bruce

An ounce of prevention is worth a pound of cure.

[fwillison]

thanks Bruce!
I thought that's what it might be.
My 73 doesn't have one, but looks like it just has another weld nut in that location

[regordracis]

I'm in the middle of that repair on both sides right now. I removed that stud both times to make it easier to install in my body-on repair. I'm pretty sure it's not part #15 though. For both sides , I bought both parts for both sides , not knowing what needed to be replaced ; considerable difference in gauge of metal between the two parts. During the driver's side rebuild I found that part 15 came into use to cover the part from your pic , from the outside - it ended up covering a few factory-stamped holes in that other part as well as reaching down to the outrigger or pan. The gauge of this part gave me the impression it was more of a secondary layer ( more like actual body skin ) . During demolition of these areas it almost seems that the multiple layers of metal and the spaces between are where the rust took hold and created the trouble. My gallery posts are far behind where I am actually in my repairs ...
_________________
Roger ... "Lost in the haze of alcohol-soft middle age"