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03-02-2024, 05:36 PM | #1 |
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corrosive red re '33-'35 fuel gauge
fuel1.jpg
I am posting this to inform you '33-'35 owners that this is the result if one spills the 'red' when filling the gauge(research how to fill the gauge). Beware of the 'red' Do not sniff it! This gauge condition probably for decades. Thank You! Last edited by highbeams; 03-03-2024 at 01:41 PM. Reason: clarity |
03-02-2024, 07:36 PM | #2 | |
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Re: corrosive red re '33-'35 fuel gauge
Quote:
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The only thing nice about being imperfect is the joy it brings to others.... "Silver rings, your butt! Them's washers!" "We shot our way out of that town for a dollar's worth of steel holes!" - from 'The Wild Bunch' - 1969 https://www.youtube.com/watch?v=7NReUd2_0u0 |
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03-03-2024, 03:35 AM | #3 |
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Re: corrosive red re '33-'35 fuel gauge
That occurs when it somehow develops a leak from the sight glass or copper line from brass hex to sight tube.That sight glass tube is open at the top for venting. I have had a multitude of those gauges that had functioned for umpteen years and never had that corrosion.
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03-04-2024, 10:56 AM | #4 |
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Re: corrosive red re '33-'35 fuel gauge
If someone tried to blow air into the tank to move fuel up to the pump it could also push the liquid out the top of the glass tube in the gauge. So don't attempt that on a car with a hydrostatic fuel gauge.
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03-04-2024, 11:37 AM | #5 |
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Re: corrosive red re '33-'35 fuel gauge
Is there a source for the liquid?
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03-04-2024, 11:43 AM | #6 |
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Re: corrosive red re '33-'35 fuel gauge
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03-04-2024, 01:47 PM | #7 |
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Re: corrosive red re '33-'35 fuel gauge
My gauge read 3/4 when full before I pulled the dash to have it wood grained. The fuel gauge hung upside down for several weeks, now no red is visible. Would blowing air through the 1/8 copper line from the tank blow the red liquid back in in case it drained into the line?
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03-04-2024, 02:02 PM | #8 | |
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Re: corrosive red re '33-'35 fuel gauge
Quote:
NO, all of your red dye drained out of the glass. You will need to source more dye from Renner's Corner, as Sheldon stated or from Straight-Eight (is who I bought mine from before I knew about Dave Renner) https://straight-eight.com/product-c...rg-model-j-sj/. The only reason for the 1/8 copper line from the gas tank is to apply air pressure from the tank to the gauge to push the red fluid up the sight glass. As the pressure decreases (you burn fuel) the red fluid drops. Last edited by rockfla; 03-04-2024 at 02:09 PM. |
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03-04-2024, 02:02 PM | #9 |
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Re: corrosive red re '33-'35 fuel gauge
The copper line from the tank to the hex on the back of the gauge should only have air.The red fluid is only in the hex and sight glass .If your gauge was upside down the red fluid could have spilled back into the line,which I doubt.You should have disconnected the air line at the begining of your project.
If as Robert said that it drained out of the sight glass I suggest you open up that gauge and throughly clean it. |
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