I certainly don't know much about the Westside but I did start working on #14 in 1977 at Central City. At that time as I recall the pilot beam and gear covers were both red.
In my experience with the D&RGW the fact that there is a picture of some particular car or locomotive at some particular date really only proves that, that is the way it looked that day.
I have found that solemn pronouncements regarding railroad practice particularly including words like "Always" and "never" are frequently found to be false.
John Bush