The stock interior color is supposed to be Cambridge Gray (left chip of the attached, but probably hard to get to look correct on a computer monitor.) The Rustoleum color mentioned is probably a very close match.
The inside of the doors and jambs were painted interior color. The demarkation between outside color and interior color is at the weatherstripping.
Attachments
1951-Chevrolettruck-pg09.jpg (29.16 KB, 203 downloads)


Kevin
1951 Chevy 3100 work truck
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1929 Ford pickup restored from the ground up. | 1929 Ford Special Coupe (First car)
Busting rust since the mid-60's
If you're smart enough to take it apart, you darn well better be smart enough to put it back together.