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One of the most common restoration questions that we get at Eckler's Late Great Chevy deals with the formulas for the 1958-1964 dashes and interior metal items. Quite a lot of information has been about exterior The codes and formulas have been deciphered and for every color Chevrolet used during those years. Unfortunately, the interior are not as easy to figure out as the exterior colors.
To my knowledge, the only information that GM on the interior was in the Chevrolet Service News fairly early in the model year. (For example, the 1959 interior numbers came out in the October, 1958 issue.) In the Service News, the formula numbers were for the following DuPont Lucite (acrylic lacquer,)DuPont Duca (lacquer,)DuPont Dulux (enamelj, R-MI Rinshed - Mason (standard lacquer) and Ditzler (lacquer). The Service News did not specify the interior color to be used with a specific exterior color or a specific interior trim number.
As a result it is sometimes difficult to know exactly what color to use. This is a good reason to note the color of the dash and any metal in the interior when disassembling a car. That is also why it is so important to study the truly unrestored cars that you ever come across. When you are taking your car apart, look for that might have some original You can sometimes find some on the back side or on an end of a garnish molding that is tucked under another Using these to help match up with the number and formula will help.
Most of the interior used on the 1958s were exterior body colors. All of the 1958 interior were gloss, like years. In the 1959s there were some changes For the first time, Chevrolet used that were not exterior colors and the dashes, along with other interior metal were semi-gloss or flat(Chevrolet refers to them as "flat," but really the was semi-gloss in today's terms.) It appears that the interior (metal remained semi-gloss for the 1959-1961 models In the 1962-1964 models, the dashes and some of the interior metal were sem-gloss,but other interior metal items were gloss. (Unfortunately, Chevrolet never (to my knowledge) information which specified which items were semi-gloss and which were gloss.)
In this month's article is the information from the Chevrolet Service News. In most cases, the numbers are given for the three most commonly used manufacturers of automotive This information should really help those who are restoring back to original.
It appears that most of the interior were exterior body colors. Whatever was used, it was gloss.
The interior were different than exterior This year, the were semi-gloss. Chevrolet said, "add flattening compound DUCO 4528."
Just like the 1959s, the interior were different than the exterior and again were semi-gloss. Chevrolet stated, "add DuPont 4828 'Duco' Lacquer Flattening Compound or equivalent."
Just like the two years, the interior were different from the exterior Again, the interior were semi-gloss. Chevrolet stated in the October 1960 Service News, "To reduce gloss, add DuPont 4528 'Duco' Lacquer Flattening Compound or equivalent.
There were some changes in the 1962 interior It appears that some of the metal items were gloss and some were semi-gloss. The dashes were still semi-gloss.
By this model year, Chevrolet had given specific numbers for gloss and semi-gloss where Again in 1963, the dashes and some interior metal were semi-gloss while other metal items were gloss. Chevrolet stated, "some Dupont and Rinshed-Mason (R-M) come only in gloss and flattener must be added".
As in the 1963s, Chevrolet had specific numbers for gloss and semi-gloss interior The dashes were still semi-gloss as well as some other interior metal items. Again, some interior metal were gloss. Chevrolet stated, "Where low gloss is required, add flattening compound in accordance with label directions".