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Plugged gas gage

  • Chris Summers
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10 Nov 2006 04:12 #5756 by Chris Summers
Replied by Chris Summers on topic Re: Plugged Gas Gage

Curt Schulze wrote: I heated it on the out door bar-b-que at 150-190 degrees for 3 hours.


Isn't it amazing how car guys like us can adapt ANY household object into a shop tool? :D

Chris Summers
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So we beat on, boats against the current, borne back ceaselessly into the past.

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  • Curt Schulze
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09 Nov 2006 12:29 #5750 by Curt Schulze
Replied by Curt Schulze on topic Plugged Gas Gage
Well progress has not gone well on one stubbornly plugged gage. I soaked it for a couple of days in Gumout fuel injector cleaner. Then I tried toilet bowl cleaner. I heated it on the out door bar-b-que at 150-190 degrees for 3 hours. This really cleaned the out side of the gage. The steel backer became a bit lighter, but no luck. Finally, in all of the fooling around I did, I managed to crack the glass at the base. This is a big No No. Back to square one.

The bitterness of poor quality remains long after the sweetness of low price is forgotten.
Be of Good Cheer
Curt

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  • Curt Schulze
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06 Nov 2006 12:12 #5733 by Curt Schulze
Replied by Curt Schulze on topic Plugged Gas Gage
Mike, there is a rubber tip on the blow gun that is attached to the air compressor. I have applied 170 lbs. to it. This has proved successful on a couple of gages. I will try boiling the entire gage in toilet bowl cleaner.

John, if you ever want to get rid of the red ribbon, I have working calibrated gages with the correct manometer fluid for $150.

The bitterness of poor quality remains long after the sweetness of low price is forgotten.
Be of Good Cheer
Curt

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  • mikespeed35
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06 Nov 2006 04:02 #5730 by mikespeed35
Replied by mikespeed35 on topic Gas Gauge
Curt,
I have been thinking about your problem. I used lacquer thinner to clean mine but they were not plugged. This is a little radical but what if you put the type of cleaner you want to try in the brass tube and then adapt a grease zerk to the threads of the tube and very carefully pump some grease into the tube to put a little pressure on the cleaner. I say a LITTLE PRESSURE. The alternative is to keep pumping and I guarantee something will give but it probably won't be the plug. I said it was radical.
CORDially Mike

Mike Huffman

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  • Curt Schulze
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05 Nov 2006 08:02 #5723 by Curt Schulze
Replied by Curt Schulze on topic Plugged gas gage
Mark, Vinegar is dilute hydrochloric acid. I used a syringe and filled the brass reservoir and glass tube with mureatic acid this is 38% by volume hydrochloric. I left it for at least a week. I hung it on a bar on my stainless steel tool box and the area around where it hung is still discolored to this day just from the fumes. (Mureatic is the hardware store version of hydrochloric acid ) I wouldn't want to soak the entire unit, as the steel backer would be gone.
I will be trying toilet bowl cleaner and fuel injection cleaner and post the results.

The bitterness of poor quality remains long after the sweetness of low price is forgotten.
Be of Good Cheer
Curt

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  • mason maynard
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05 Nov 2006 02:18 #5720 by mason maynard
Replied by mason maynard on topic fuel gauge problem
try liquid toilet bowl cleaner. it works miracles on carbs. jut be careful on die cast parts.

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  • ilikescars
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03 Nov 2006 23:08 #5714 by ilikescars
Replied by ilikescars on topic gas gauge
Curt: You prolly tried this, but i'll mention it anyhow: You tried vinegar, but how long did you soak it? I once repaired a Packard gas tank float by soaking it for two weeks in vinegar.

Mark

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  • Curt Schulze
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03 Nov 2006 21:28 #5712 by Curt Schulze
Replied by Curt Schulze on topic Plugged Gas Gage
Good suggestion Mike, I have one That is where I tried the lye solution.
What We need is a chemist.

The bitterness of poor quality remains long after the sweetness of low price is forgotten.
Be of Good Cheer
Curt

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  • mikespeed35
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03 Nov 2006 19:57 #5710 by mikespeed35
Replied by mikespeed35 on topic fuel gauge
I don't have any personal experience with this but how about a ultrasonic cleaner. they use them in jewelry stores
,dental Labs etc, CORDially Mike

Mike Huffman

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  • johnmereness
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03 Nov 2006 16:42 #5706 by johnmereness
Replied by johnmereness on topic Gasoline Gauge
Correct, it does not work.

I was only able to clean the tube out w/the wire a good inch below the capillary tube, but it was hours of "fun" to even get to that point.

JMM

JMM

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  • ilikescars
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03 Nov 2006 13:36 #5702 by ilikescars
Replied by ilikescars on topic fuel gauge
JMM: So, the guage still doesn't work?

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  • johnmereness
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03 Nov 2006 07:37 #5701 by johnmereness
Replied by johnmereness on topic Gasoline Gauge
I tried vinegar and running a small very fine somewhat flexible wire down tube. Worked with it for a whole day and then gave up dropped a piece of red ribbon down tube, reinstalled, and could not be happier. Parts are available on the website for Brian Joesph in Michigan, but he does not make the bent tube for 34-36.

JMM

JMM

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  • russv
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02 Nov 2006 16:54 #5697 by russv
Replied by russv on topic Plugged gas gage
Curt
Have you tired a little fuel injector cleaner? I have used to clean small engine float bowls.
Russ

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  • Curt Schulze
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02 Nov 2006 12:57 #5695 by Curt Schulze
Replied by Curt Schulze on topic Plugged Gas Gage.
I have tried vinegar, sulfuric acid (battery acid) Hydrochloric acid, phosphoric acid a, lye and lacquer thinner. All to no avail. Nothing seems to dissolve the rock hard material that is on the bottom of the reservoir.
I am open to suggestions.

The bitterness of poor quality remains long after the sweetness of low price is forgotten.
Be of Good Cheer
Curt

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  • steve pugh
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02 Nov 2006 03:01 #5691 by steve pugh
Replied by steve pugh on topic Plugged gas gage
Curt,

Did the vinegar work for you?

Steve

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  • steve pugh
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28 Jul 2003 18:52 #552 by steve pugh
Replied by steve pugh on topic Plugged gas gage
Try soaking it in vinegar for a few days.

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  • Curt Schulze
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28 Jul 2003 18:02 #551 by Curt Schulze
Plugged gas gage was created by Curt Schulze
Are there any chemists out there that know what acid / solvent that will dissolve the cupric oxide that plugs the cpilary tube in the hydrostatic
fuel gage in the 1934-1936 Auburns. <!-- s:? --><img src="{SMILIES_PATH}/icon_confused.gif" alt=":?" title="Confused" /><!-- s:? -->

The bitterness of poor quality remains long after the sweetness of low price is forgotten.
Be of Good Cheer
Curt

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