This is the pan that was on the engine when I got it and I have to assume it's original.

I think this one best describes the dipstick, as I measure about 14" to full line:

58-59
ALL (6 cyl.) exc. Ser. (3C-3D-3F)
13 13/16" under washer to full line
14 13/32" under washer to add line

1948 Chevy Thriftmaster 3/4-Ton
Poncho "farming" in Ontario
Starting in the DITY
Continuing in the Project Journals
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There are only 10 types of people in this world, those who can read binary and those who can't.