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Old 05-21-2019, 05:11 PM   #21
glennpm
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Default Re: Adjusting Fuel Level in King Seeley Gauge

Great ride today but gauge is still wrong. 5.5gals only indicated a touch over 1/4 full on gauge. filling at home with 11gal only shows as 5/8.


I'll try to get what I think is the original wire out and replace with one or two 1/16" Cu wire.
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Old 02-21-2021, 09:41 AM   #22
Owlseye
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Default Re: Adjusting Fuel Level in King Seeley Gauge

Does anyone know if the KS green fluid sold by StraightEight can be used in Ford gauges? My 1933 Ford BB had green fluid in the fuel gauge before the cap line broke. Did any Fords use green fluid?
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Old 02-21-2021, 10:07 AM   #23
glennpm
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Default Re: Adjusting Fuel Level in King Seeley Gauge

I looked at the StraightEight site and they sell both green and red colored fluids. I would contact them and ask what the fluids are. They should be

1,1,2,2-Tetrabromoethane or
Acetylene tetrabromide; TBE

Specific Gravity 2.960

The specific gravity is important!

https://straight-eight.com/product-c...s/gauge-fluid/
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Old 02-22-2021, 11:57 AM   #24
JimG
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Default Re: Adjusting Fuel Level in King Seeley Gauge

I would think they are different specific gravities. The red is called fuel gauge fluid while the green is called oil gauge fluid.
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Old 02-23-2021, 12:36 PM   #25
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Default Re: Adjusting Fuel Level in King Seeley Gauge

Chip at Straight Eight says the green and red fluid have a spg of 2.98 or 2.99. So I think it should work. Maybe green will not fade? I replaced a bad capillary line and cleaned the gauge reservoir since the line was block to the glass tube. Next week we will find out if it works.
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Old 02-23-2021, 12:44 PM   #26
glennpm
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Default Re: Adjusting Fuel Level in King Seeley Gauge

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Okay so they're the same SG and high enough.



Never seen green in a Ford fuel level gauge. David Rehor would know if it was a factory color or not.



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Old 02-23-2021, 11:44 PM   #27
Owlseye
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Default Re: Adjusting Fuel Level in King Seeley Gauge

Well at least mine was stained green on the glass tube when I took it out. Maybe it was more of a turquoise color. Anyway it will be a contrasting color to the temperature gauge.
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