The "large hole" goes at the top.
I am currently feeling your pain with my '49. Mine has the stainless steel trim just to make it more "fun".
We didn't have an issue with getting the string in the groove.
We did have an issue with keeping the stainless trim to stay locked into the groove while man-handling the glass into final position. Now it all needs to come back out. Just as well though, as I forgot to run a bead of sealant in front of the pinch weld before installing the windshield assembly.
I am now seriously considering surrendering the work to the glass shop down the street.


1952 5-window - return to "as built" condition | 1950 3100 with a 235 and a T-5 transmission