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1961 - 1966 F-100 & Larger F-Series Trucks Discuss the Slick Sixties Ford Truck

Rare Ford vacuum gauge

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Old Apr 28, 2025 | 10:34 PM
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Rare Ford vacuum gauge

Older FOMOCO 3-3/4" Vacuum-Inches Gauge, Oil-Volts-Temp 50-60's Chrome Untested | eBay
 
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Old Apr 29, 2025 | 10:46 AM
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That is pretty cool! What would the original application be ?
 
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Old Apr 29, 2025 | 05:21 PM
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Originally Posted by rusty valley
That is pretty cool! What would the original application be ?
Someone here probably has a Performance Parts catalogue or two from the era and might be able to check. But it would have been an option for several vehicles, is my guess.
I have seem a similar one, labeled as Rotunda brand, Mustang guys seem to want those, and they are pricey, may have only been vacuum though.
 
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Old Apr 29, 2025 | 07:48 PM
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In all my years messing with old Ford stuff I've never seen this unit in person or in pictures. That's way cool. I've seen plenty of vacuum gauges but never with the volt, temp and oil gauges built in with it. Volts is even more odd since amps was the typical gauge of the day. With that style FoMoCo logo, it's got to be late 50's to early 60's. Later than that would more likely have the Rotunda label. It would be a generic, over the counter accessory gauge, not a factory installed piece.

Older FOMOCO 3-3/4
 
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Old Apr 29, 2025 | 11:49 PM
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yeah, very cool, good point about volts vs amps. wonder if the diameter is made for the right/left empty spots in a slick dash
 
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Old Apr 30, 2025 | 05:37 AM
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Originally Posted by rusty valley
wonder if the diameter is made for the right/left empty spots in a slick dash
It ‘s a dash-top mount gauge, and will be too large for the holes in the dash. Could possibly be used as a column mount.
 
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Old Apr 30, 2025 | 12:21 PM
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Google search says 66 Cobra mounted next to a tach. Could be speculation.
 
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Old Apr 30, 2025 | 01:55 PM
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Real 66 Cobra dash. Since AI has taken over the world, everything written on google is suspect anymore.

1966 Shelby Cobra 427 S/C
 
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Old Apr 30, 2025 | 03:34 PM
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Wayne, I think that photo is an AC Cobra. Christmas was referring to a 66 Mustang Cobra.


 
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Old Apr 30, 2025 | 08:35 PM
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Originally Posted by ibuzzard
Wayne, I think that photo is an AC Cobra. Christmas was referring to a 66 Mustang Cobra.


sheesh, more evidence of why not to trust everything you see on the web. First off that’s a 1967 or 1968 NOT a 1966 Mustang. Second it’s just called a Shelby GT 500. They did not use Cobra in the name of the car model.
 
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Old Apr 30, 2025 | 09:59 PM
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I am not sure of the application, but I am guessing a gauge such as that would be offered by the dealership, specifically for Ford vehicles that had dummy lights for oil and temp and only an ammeter. The addition of vacuum is nice due to the diagnostic capability. A dealer installed option for cars and light trucks in the 50s and 60s for folks that wanted to have better monitoring than a dummy light provides. My first car was a '66 Galaxie and memory is fuzzy, but I think there was only a fuel gauge, big speedo and maybe an ammeter. Dummy lights for oil pressure and water temp.

Since it is a dash/column mounted "universal" option (or at least could be) that simplifies installation for most vehicles of that era.

Cool gauge none the less and if I had an application for it I would have already ordered it...
 
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Old Apr 30, 2025 | 10:22 PM
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Originally Posted by mterickson
I am not sure of the application, but I am guessing a gauge such as that would be offered by the dealership, specifically for Ford vehicles that had dummy lights for oil and temp and only an ammeter. The addition of vacuum is nice due to the diagnostic capability. A dealer installed option for cars and light trucks in the 50s and 60s for folks that wanted to have better monitoring than a dummy light provides. My first car was a '66 Galaxie and memory is fuzzy, but I think there was only a fuel gauge, big speedo and maybe an ammeter. Dummy lights for oil pressure and water temp.

Since it is a dash/column mounted "universal" option (or at least could be) that simplifies installation for most vehicles of that era.

Cool gauge none the less and if I had an application for it I would have already ordered it...
Sounds right.
If I hadn't just bought my 2nd Dixco gauge I could justify putting this on the shelf.
It is rare, and the price is very good.

 
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Old May 1, 2025 | 12:03 AM
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Originally Posted by g4g2g7
sheesh, more evidence of why not to trust everything you see on the web. First off that’s a 1967 or 1968 NOT a 1966 Mustang. Second it’s just called a Shelby GT 500. They did not use Cobra in the name of the car model.
Yes, you are correct. The car pictured is a 67 Shelby GT500. Not a Mustang, and not a Cobra. The Cobra was the sports car. The 67's used Cougar tail lights without the chrome grille cover. 68-70's used 65 Thunderbird tail lights. The GT500 was the 428 big block car, using the police interceptor engine. The Cobra Jet 428 came later, in mid-year 68, which were the GT500KR cars, with KR standing for "King of the Road" and did 13 second quarter mile times. But they still weren't Cobras.
 
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Old May 1, 2025 | 02:26 AM
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Calm down! I said it was speculation.
 
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Old May 3, 2025 | 11:03 AM
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That really is a cool gauge. At 125 bucks, it is worth having. You’d be taking a chance on it working, but there has to be restoration shops that could disassemble, clean or repaint, and even remove the insect that the seller mentions in his disclaimer. Or maybe leave the bug as patina? On vacuum gauges, what are the parts that are serviceable, if any?
 
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