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Frenching Headlights on a 1951 Merc Convertible at Scott’s Hotrods

By Ron Covell   –   Photography By Shawn Holloway   –   Artwork By Eric Brockmeyer

From 1949-1951, the Mercury was the premier car to be customized in the post–World War II era. Scott’s Hotrods ’N Customs, in Knoxville, Tennessee, has embarked on a project to build a state-of-the-art 1951 Merc convertible in the traditional style. These cars are very difficult to find these days, and after stripping their customer’s car down to bare metal, they uncovered a lot of sub-standard work. Fortunately, the customer had the will and the means to make everything top notch, so the crew at Scott’s cut away the defective work and ensured the project’s foundation was in shipshape before embarking on the modifications.

02 1951 Mercury body in raw metal undergoing headlight fabrication and bodywork restoration in a custom shop
This is how the car looked at the early stage of construction. The doors have been lengthened considerably for a smoother look.

Eric Brockmeyer was called in to make renderings to guide the construction. The car they started with was originally a four-door sedan, and when the previous builder turned it to a convertible, the front doors were left stock length, which was badly out of proportion for a two-door body style. Since much of the four- to two-door conversion had to be redone, they decided to make the doors even longer than the OEM convertible doors would have been. They extend back to the point where the roof fabric meets the quarter-panel, giving the car a very sleek look and making it much easier to enter and exit the rear seats.

03 Close up of 1951 Mercury front end featuring headlight housing modifications and custom fabricated bumper details
Much of the smoothing and fabrication on the panels surrounding the grille has been done here. Note how flat the front of the fenders are.

Scott’s built the custom airbag chassis for the car. The windshield and custom-made convertible top will be tastefully chopped, a modified 1957 Corvette grille will be fitted, and the hood and decklid corners will be rounded. A one-piece, curved glass windshield will be fitted, the bumpers will be smoothed and black-chrome plated, and the headlights will be frenched (recessed). This article will look at extending the front fenders and Frenching the headlights. Shawn Holloway, one of the leading sheetmetal fabricators at Scott’s, was called on to take charge of this project.

04 Smooth metalwork on the front fender of a 1951 Mercury during headlight housing fabrication process
Here, the new metal has been carefully shaped and welded into place to extend the front fender. These extensions were made slightly longer than needed to allow precise fitting to the headlight tunnels.

The original headlights on the Merc were nearly flush with the hood, so the first step was to shape new metal to extend the fenders by about 1-1/2 inches. Once the new metal was welded in place and metal finished, work could begin on the rings that would be used to recess the headlights.

05 Handcrafted headlight housing fitted to the 1951 Mercury front fender with precision metal shaping
The new fender extensions are perfectly proportioned to the fenders.

The tunneled section is a ring rolled from 18-gauge sheetmetal, but it needed flanges on both the front and rear edges to facilitate attachment to the fenders and to mount the sealed-beam lights and adjusters. These flanges were made from 1/8-inch plates to give them more rigidity. This becomes important when welded into place since thinner metal could easily warp from welding heat.

06 Custom fabricated circular headlight housing for the 1951 Mercury highlighting clean weld seams and handwork
Here is one of the headlight tunnels under construction. Note that a temporary ring has been tack welded on the front edge to keep the assembly perfectly round.

Once the flanges were welded to the tunnels and the welds were smoothed, the openings in the fenders were trimmed to fit. This is a very sensitive job since both lights must be at the same height, the same distance from the center, and in the same plane. Lots of measuring and adjusting were done at this stage to ensure symmetry.

07 Side view of the welded headlight housing showcasing smooth polished finish for the 1951 Mercury
After finish welding, the temporary ring is removed. Note that the front and back flanges are made from 1/8-inch steel for strength and rigidity.

The headlight tunnels were tack welded into place and everything was double-checked before finishing welding. After welding, all the exterior joints were metal-finished to perfection, the headlight buckets were installed, and the job was complete.

08 Newly welded headlight housing mounted to the 1951 Mercury front fender ready for final finishing
After meticulous fitting and checking, the headlight tunnels are tack welded into place, re-checked, and then finish welded.

The same techniques used for this job could be applied to virtually any car, and Frenching headlights is a custom car tradition that has been popular for generations. Check out this story in our digital edition here.

09 1951 Mercury front fender with a completed smoothly integrated headlight housing showing clean craftsmanship
A view from below shows how smoothly everything is fitted together.

 

10 Close up of polished headlight integration on the 1951 Mercury emphasizing precision fabrication and smooth fitment
All the detail work on this project is top notch.

 

11 Fully installed headlight housings and grille on 1951 Mercury with raw metal body and custom details
Here’s how the car looks: the headlights, grille, and bumper are temporarily fitted into place.

Source
Scott’s Hotrods ‘N Customs
(865) 951-2081
scottshotrods.com

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