Your tag is not in the right place. But, it is a 10/65 build date, for a U series. I think your F on the carb is correct. It should have the plastic rod to accelerator pump like rm's.
it mounts on the side of the block by the coil. Actually by the same bolt.
it mounts on the side of the block by the coil. Actually by the same bolt that mounts the coil and the fuel line clip.
Can't figure out why my pics are upside down. iPad thing I guess.
Would be nice to get to the bottom of this and see if they are original or not.
My best guess is that the catalog dated 1975 would show the paper element as a replacement part. As far as I know they were not available in 66.
That master cylinder is not 66. In 66 it was a single cylinder just like in gunny's picture.
So, those had been swapped? And were no longer original?
Lance, I find that very interesting. Have you ever seen a known original 66 without an oil bath? I have seen the Holley on other vehicles, but not on a Bronco. Again that is a 1975 book and not a 1966 version. It would be interesting to compare a 66 book to a later version.