Chess - The Evolution of Dent Repairs

The Evolution of Dent Repairs

From the Ford Model T until the 1970s, dents were a two-sided operation. You would push from the inside with a dolly and hammer on the outside until you had a semi smooth panel.

Until 1955, lead was used as the filler. The health risk of lead filler was becoming evident, it was difficult to work with and it was a tedious process, as lead was melted over the entire dent.

ed to go through an evolution, from body over frame to unitized, and so did the body repair methods. Doing hand work took a lot longer and someone came up with the idea to drill a bunch of holes (See California Autobody Association with David McClune Fig 3) in the panel and use a slide hammer to pull out the dent, followed by a thick coat of Bondo. I remember when you looked at the back side of the panel and the bondo flowed through the back.

Year in Quotes Fig. 2

Bondo—plastic body filler—was invented in 1955. Plastic body filler with John Yoswick was becoming the material of choice and it was more widely accepted, as more auto body shops switched from lead to the lightweight plastic filler. In the ‘80s, the vehicles start-

Fig. 3

Max Spitznagel, from Dent Fix, introduced the stud gun and slide hammer to body shops in 1979. (See Fig 4)

Fig. 4

With holes no longer being drilled into the panel, it made a difference in the quality of the repair. (See Fig 5)

This method of repairs took dent removal to a whole new level and was the standard for the next

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