Great progress Karl.

They fit inside the rear fenders where they bolt to the running boards making the fenders a neat fit against the curve of the end of the running boards

It operates the dash light

The 1920's Packard "air valve" type carburetor has two air entry ports making it difficult to fit an air cleaner. Packard offered such an air cleaner in 1928 as a retrofit item. See attached letter dated August 15 1928.
A few of these air cleaners were reproduced here in Australia many years ago and I was able to find one and fit it to my 633, see photo. It comprised two castings. Unfortunately, the patterns were left with a foundry that later closed, and the patterns have been lost.

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  Air Cleaner.jpg (213.16 KB)


  Engine e.JPG (247.73 KB)

The engine photo in your first post shows a 6 cylinder engine, the 236 model is an eight cylinder?

If my memory is correct, it's a mechanically driven gauge. There is a float in the fuel tank that rotates a wire the moves the needle. Hopefully, someone can provide more detail

[i]Looks like the industry only used them 5 years then went to electric sending units.

For good reason, might have been better if they had abandoned the idea 5 years earlier.

Karl,
Despite my comments about carbon fibre, all of the panel repairs on my cars were done using your method, sheet metal. All welding was with oxy/acetylene, I suspect that MIG would be much better but have not tried it and I have already completed my last restoration. Your Sport will be a gem.

Karl,
I recently helped a friend with an aluminium bodied car that had splits in the body. There was timber under the splits so welding was not an option. The owner had a friend who builds and repairs high end super yachts. His friend repaired all of the splits using carbon fibre matting bonded to the aluminium. The finished repair was very thin so very little filling was required to blend the repair. The results were impressive, to say the least but it was not a simple DIY job. It was a job for an expert.
I would think that if you can find a similar expert in your country it would be a very effective repair for your fenders.

Reproductions of those parking lights were available some years ago. I have some damaged ones left over from the restoration of 1930 740 that I would offer to anyone who needs them but I have never seen a request for them in many years. There are differences between the standard and super models.