Ford intake with S

[38 coupe]

I bought a 37-39 style intake at a swap meet earlier this year. It looks typical of Ford's factory intake except it has a large S in a circle on top of the runner in front of the carb area. The only other unusual feature is a casting date on the bottom "7-25-47". Does anyone know why the S is on top?
Thanks,
Fred

[Kube]

Typically, a raised letter, numeral, etc. signifies (IE) the manufacturer, date, mold ID. My guess in this case is this was produced outside of the Ford Motor CO. as a service replacement part. obviously in 1947.

[deuce lover]

Looks like 36.Side view pic please.

[38 coupe]

It is the low generator mount 37 and later type intake. I didn't take a picture from the side and don't have the intake at home.

[deuce_roadster]

Looks like 2 vacuum ports like a 40 manifold has on driver's side too. Is that a dirty spot or another vacuum hole on the passenger side front runner pointing forward?

[38 coupe]

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The dark spot on the passenger side is dirt / crud on the surface. All features other than the S are normal 37-39 aluminum intake. 39-41 intakes are basically cast iron equivalents of these with detail differences.

[Model51]

I heard of a guy that put the letter S on his hotrod car. The neighbors were overheard exclaiming as he zoomed past where they were standing: "Look at that S-car-go!"
Sorry, dad humor just uncontrollably bubbles out sometimes.

[flatford8]

Originally Posted by Model51

I heard of a guy that put the letter S on his hotrod car. The neighbors were overheard exclaiming as he zoomed past where they were standing: "Look at that S-car-go!"
Sorry, dad humor just uncontrollably bubbles out sometimes.

Everybody needs a little Dad humor to start your day !.........Mark

[pistonbroke]

S , stationary engine ?

[35fordtn]

Standard Motor Products