Rovertech,

Check out this link to a downloadable PDF file that provides "in general" the info on most of what you are asking about (and much more you may like to know). It does not provide details on how to read your trim tag, but others should be along to try and help with that info.

https://xr793.com/wp-content/uploads/2020/12/1958-Chevrolet-Truck-Engineering.pdf

Dan wave


~ 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)