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Fuel delivery woes
#1
OK I didn't want to start a new thread for a simple question but the search function didn't bring back exactly what I'm asking.

Anyway so I have been using an external fuel source to get my car running and moving. The PO installed a new gas tank but failed to coat it so it has surface rust and a spot that looks suspicious. PO claimed to have cleaned the lines and so forth but that was 5 years ago. I want to connect my engine to the tank so I can have more than a half gallon fuel container haha. What would y'all do in this situation? I don't want to gum up my new Carb. I have 2 filters in line from pump to Carb right now. I'm thinking to blow out the line with compressed air and put another filter right where the line comes through the engine bay. Then add about 5 gallons and hope for the best. I just figured I'd ask before I bring more trouble upon myself.

Here are some pics of said suspicious tank.
   
   
   
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#2
If the car has been sitting awhile I would pull the tank, clean it and the lines before hooking it to my engine...just my opinion
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#3
So pull the tank, pop out sending unit, and what would you use to clean it? Fresh gas? Any product you recommend?

Fuel guage reads 1/8th tank but it may be wrong.
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#4
matrixx;80359 Wrote:So pull the tank, pop out sending unit, and what would you use to clean it? Fresh gas? Any product you recommend?

Fuel guage reads 1/8th tank but it may be wrong.

fresh gas won't be strong enough. they make specific products for this, not sure whats availible in your area but check with your local favorite auto parts store. The main thing I would worry about is debree in the tank but you can let the tank dry and check it with a mirror...tanks are cheap so I would not put a lot into an old one
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#5
(07-16-2012, 08:41 AM)caspianwendell Wrote:
matrixx;80359 Wrote:So pull the tank, pop out sending unit, and what would you use to clean it? Fresh gas? Any product you recommend?

Fuel guage reads 1/8th tank but it may be wrong.

fresh gas won't be strong enough. they make specific products for this, not sure whats availible in your area but check with your local favorite auto parts store. The main thing I would worry about is debree in the tank but you can let the tank dry and check it with a mirror...tanks are cheap so I would not put a lot into an old one

Yeah I agree with you there, I was just noting that since it was a brand new tank and the car never really was run with the new tank. PO said he only put about 2 gallons in it and the old Carb kept giving him trouble and then life happened to him so the car just sat after that. Maybe I will pull the sending unit and take a peek inside with a mirror and a light.
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#6
matrixx;80361 Wrote:
(07-16-2012, 08:41 AM)caspianwendell Wrote:
matrixx;80359 Wrote:So pull the tank, pop out sending unit, and what would you use to clean it? Fresh gas? Any product you recommend?

Fuel guage reads 1/8th tank but it may be wrong.

fresh gas won't be strong enough. they make specific products for this, not sure whats availible in your area but check with your local favorite auto parts store. The main thing I would worry about is debree in the tank but you can let the tank dry and check it with a mirror...tanks are cheap so I would not put a lot into an old one

Yeah I agree with you there, I was just noting that since it was a brand new tank and the car never really was run with the new tank. PO said he only put about 2 gallons in it and the old Carb kept giving him trouble and then life happened to him so the car just sat after that. Maybe I will pull the sending unit and take a peek inside with a mirror and a light.

You never know it may be like new inside...just a cleaning and fresh paint and away you go
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#7
Keep in mind that an empty gas tank is a fire hazard and only nonsparking tools should be used around it. Clean rust with a copper choreboy or a scotchbrite pad, treat it chemically- do not sand it with an electric sander.

Replace the two short sections of rubber hose with fresh hose. You should be able to used compressed air to blow out the metal line, but blow from rear to front.

Do not run two inline fuel filters, it will cause fuel starvation.

[Image: 1_01_07_15_8_53_18.png]

"I love my Hookers!" and "Get some Strange" probably have a different connotation to non automotive enthusiasts!
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#8
Thanks jeff, other than scotchbrite any other chemical I should put on that rust?
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#9
Phosphoric acid will convert the rust to a black oxide. Wash down afterwards with soapy water then plain water before prepping for paint.

If the inside isn't pretty clean, I would replace the tank and save the time and effort.

and please don't blow yourself up!

[Image: 1_01_07_15_8_53_18.png]

"I love my Hookers!" and "Get some Strange" probably have a different connotation to non automotive enthusiasts!
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#10
Not going to use any power tools. I'm going to take a peek inside and see how rough it is or isn't. Then make my decision from there. Can't believe he didn't coat the tank while he replaced it.
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