I have seen the stories about shipping the 2x4 parts in the trunk as the car left the factory. There are some pretty convincing rebuttal posts out there indicating Buick didn't ship the parts that way. That would have been a lot of stuff going into the trunk: a heavy manifold, 2-carbs, the large air cleaner, and the other parts.
Attached is a blowup of the best brochure photo showing the fuel filter. The top of the filter can is just a little higher than the major crimped seam in the fuel pump. The filter needs to be vertical to insure bubbles can exit the top of the 3-pipe filter. The hose between them looks to be a simple U or J shape.
Here is a page from the '65 shop manual (10-152) showing the ignition coil standing up straight next to the carb as you describe for the double carb setup. The standard position of the coil is shown on pg 68-34 of the '66 manual.
Attached is a message thread on painting the fuel pump. It gives factory documentation stating the pump was not supposed to be painted. The memo dates from 1954 near the start of nailhead production. Other guys on there insist the pump was fully painted at the factory. Still others describe seeing substantial overspray on their pumps. Just for grins I inspected the pump on my '76 Olds Delta 88 w/455. The pump was masked off a little bit around the hose fittings and shows unpainted metal. The other half is fully painted with engine color. So it looks like you can take your pick on how to complete it.
I am restoring a 1953 Buick Skylark and had the engine rebuilt. The rebuilder painted the engine in the correct Buick Green color, but we will be repainting it, as want a better finish. One question that I have: What is the correct color of the Oil Filter Assembly. (Rebuilder didn't know, so he p...
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