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-   -   Does this tank float look ok? (https://67-72chevytrucks.com/vboard/showthread.php?t=681513)

freak 09-06-2015 11:31 PM

Does this tank float look ok?
 
http://i.imgur.com/q3oI2Gk.jpg

My truck has been in dry indoor storage since I parked it around 1991. Took the tank out to start fixing the floor and decided to dump the gallon or so of gas still in the tank. I was very surprised when I saw what happened to the float over all those years.

toolboxchev 09-07-2015 02:17 AM

Re: Does this tank float look ok?
 
Wow, ethanol?

freak 09-07-2015 08:00 AM

Re: Does this tank float look ok?
 
I don't know. I think the ethanol thing is a myth though.

hamjet 09-07-2015 11:30 AM

Re: Does this tank float look ok?
 
It looks fine, put it back in.:mm:

jayoldschool 09-07-2015 12:09 PM

Re: Does this tank float look ok?
 
Most states weren't putting ethanol in fuel in 91. That's simply from condensation in the tank accumulating, then rusting out the float.

hugger6933 09-07-2015 12:09 PM

Re: Does this tank float look ok?
 
A little epoxy and it should be fine:lol:

hugger6933 09-07-2015 12:11 PM

Re: Does this tank float look ok?
 
That scares me for all of the ones I have laying around that I'll use some day or unfinished projects that I can't work on due to other things. Jim

leftybass209 09-07-2015 12:17 PM

Re: Does this tank float look ok?
 
It doesn't matter if it looks okay, only if it functions okay. You don't see it when it's in the tank anyhow!:lol::mm:

bluek5 09-07-2015 12:49 PM

Re: Does this tank float look ok?
 
http://www.summitracing.com/parts/omx-1772901/overview/
I put one of these in my 72 a couple months back. Even if your float did look ok they develop holes and will fill up with fuel. I would replace it with a factory type brass float or one of the cheap plastic ones in the link.

jocko 09-07-2015 03:03 PM

Re: Does this tank float look ok?
 
no wonder half the fuel gauges I've ever had don't work! thx for sharing the link on the jepe float bluek5, I saved that for future ref! I've got two not working right now.

Redline novdog 09-07-2015 03:17 PM

Re: Does this tank float look ok?
 
OMG! those are made of brass or copper aren't they? I think you have a wild animal in your tank ! I wouldn't think they be so prone to corrosive liquids!

Fitz 09-07-2015 07:40 PM

Re: Does this tank float look ok?
 
Quote:

Originally Posted by hugger6933 (Post 7301078)
A little epoxy and it should be fine:lol:

Duct Tape, dude, Duct Tape. It is the irresistible force that binds the universe together.

Mr Handy 09-07-2015 08:18 PM

Re: Does this tank float look ok?
 
ok I was not expecting that... That is funny.

EARNHARDT#3 09-07-2015 08:25 PM

Re: Does this tank float look ok?
 
I don't think it can be considered a float anymore!

Boog 09-07-2015 08:44 PM

Re: Does this tank float look ok?
 
Nah, it's one of those cheap imports right?

bill3rail 09-07-2015 08:53 PM

Re: Does this tank float look ok?
 
Looks like water/moisture corrosion. If you have a project lying around with fuel for that long, you may see tanks going bad also.

Bill

'68OrangeSunshine 09-07-2015 08:54 PM

Re: Does this tank float look ok?
 
That's the special bevel modification circle track racers had to make, since they're almost continually in a left hand turn. The Float was bevelled to read the fuel that was forced to the passenger side of the tank by centrifugal motion.
When you're turning left, it will all read OK.

freak 09-07-2015 09:10 PM

Re: Does this tank float look ok?
 
Quote:

Originally Posted by Boog (Post 7301569)
Nah, it's one of those cheap imports right?

Original equipment.

Boog 09-07-2015 09:32 PM

Re: Does this tank float look ok?
 
It was only a joke.
But I have never seen a brass float eaten away like that. What does the rest of the fuel system look like?

71CHEVYSHORTBED402 09-07-2015 10:06 PM

Re: Does this tank float look ok?
 
Looks like it fits somewhere around the dump.

too much stuff 09-07-2015 10:28 PM

Re: Does this tank float look ok?
 
1 Attachment(s)
Doesn't look too bad, a little spray foam will fix er up...
Here is mine from my 67 i recently pulled.

freak 09-07-2015 10:33 PM

Re: Does this tank float look ok?
 
Quote:

Originally Posted by Boog (Post 7301634)
It was only a joke.
But I have never seen a brass float eaten away like that. What does the rest of the fuel system look like?

The screen was corroded pretty bad as well.

tdangle 09-08-2015 03:17 PM

Re: Does this tank float look ok?
 
I had a replacement float get eaten up in less than 10 years. You would think brass would last, but they don't. I do believe the ethanol blend has something to do with it

leftybass209 09-08-2015 04:01 PM

Re: Does this tank float look ok?
 
... doing more research.

leftybass209 09-08-2015 04:18 PM

Re: Does this tank float look ok?
 
After some research, the only place that I've seen that has mentioned that ethanol is in fact corrosive to soft metals such as brass and copper, is a reference to US. DOE2006a. I have not yet read that to determine what exactly it says, but it was referenced in the book, Advances in Bioethanol which states;

"Some of the soft metals such as zinc, brass, lead, aluminum, copper are not compatible with ethanol and can suffer corrosion and pitting if exposed to it for extended periods (US DOE 2006b). Furthermore, ethanol dissolves in water and is more electrically conductive than petrol. The presence of water can facilitate corrosion, and the conductivity facilitates the possibility of galvanic corrosion."


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