Dad always said the work was done with real lead body filler, which makes sense because there were plenty of cars that needed dents taken out on Granddad’s used car lot, so that material was available. If it worked on real cars, why wouldn’t it work on a model?
The paint is another interesting little touch. The lavender color is actually called Orchid Gray, and was an option on 1960 Fords. The paint was purchased at the local Ford dealer, and was likely a current-model color when selected. Normally you see models this old with a thick coat of brush-painted airplane dope all over them, but the finish on this one is smooth and glossy enough to hold its own even today.
Aside from the bodywork, there are some neat little details as well. For example, in addition to the capped exhaust dumps coming out behind the front wheel, there are some cool little scavenger pipes that sick out after the rear axle. Dad said he flared the ends of them out by heating the tips of a model spruce on the stove. Even the engine is wired, which is not something you see very often on a model this old.