Lee, Another possibly helpful bit of info may be found in this Filling Station ad for their Reproduction Division Bar. If you click on the technical part drawing it show details that may help answer the question.


~ Dan
1951 Chevy 3 window 3100
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"My Grandpa Carl's Truck and How it Became Mine"
1966 Chevelle (Wife's Hot Rod) | 2013 Chevy Silverado (Current daily driver)
US Army MSG Retired (1977-1998) | Com Fac Maint Lead Tech Retired (1998-2021)