I don't have any faith in Osborn and the accuracy of their reproduction decals. I would question everything. Their application charts have many mistakes. On a particular air cleaner decal, I sent them a photo of an original air cleaner, along with a chart from my Chevrolet parts book, the info from the factory assembly manual, and a build sheet, with all four showing the same two-letter code for the air cleaner decal. So essentially I had THREE pieces of factory documentation consistent with my original air cleaner decal, and they dismissed it. Here's what they said:
"I thank you for what you are trying to help me with , but those charts do not help me one bit. As we have documented very low milage cars with the decals as we have them listed, unless GM put alot of air cleaners on wrong cars."
Right, factory parts books, assembly manuals, and build sheets don't help one bit....
