SN95 Rust Or Dirt From Fuel Filter?

downonmonday · Apr 8, 2016

It's finally starting to become nice out, so I was able to unhook my old aeromotive a1000 fuel filter and to change the fuel filters. My fuel pump was slowly dying and finally was on her last breath before I put the car away for the winter. After draining 10 gallons of fuel (that was fun), I unhooked all the line and found this on the intake filter! Is this dirt or rust?

stykthyn · Apr 8, 2016

Probably rust.

downonmonday · Apr 8, 2016

Fantastic. I wonder how the tank developed rust? I guess I'll be dropping it on my next day off?

stykthyn · Apr 8, 2016

The ethanol in the gas causes a moisture layer that will cause all sorts of problems if allowed to sit. It's even worse for 2 cycle engines.

downonmonday · Apr 9, 2016

Hmmmm, supposedly the 93 octane I buy is supposed to be ethanol free. I race motocross so I definitely stay away from that evil mixture.

downonmonday · Apr 9, 2016

Would moisture from the garage floor do any damage? When it gets humid Here in northern Illinois my garage floor sweats something fierce. When the concrete was poured decades ago they must not have put a moisture barrier down? Nothing in the garage is rusty, so never was too concerned about it.

downonmonday · Apr 11, 2016

Dropped the tank, found out Its aeromotive, and took a peek inside. There's rust spots along the weld where a sump was installed. So at least I know what caused my fuel pump failure, but what do I do now about the rust? Its not a ton but enough to wreak havoc.

RangerJoe · Apr 12, 2016

I think @madmike1157 has used some type of stuff you put in the tank and swish around. I think it is for hole repairs, but perhaps it would help seal the rust too? Maybe he will chime in.

Joe

stykthyn · Apr 12, 2016

I always thought you had to have the tank coated after welding on it?

CarMichael Angelo · Apr 12, 2016

RangerJoe said:
I think @madmike1157 has used some type of stuff you put in the tank and swish around. I think it is for hole repairs, but perhaps it would help seal the rust too? Maybe he will chime in.

Joe

Yeah,...I'll chime in. If you can get your hand in there and wire brush the loose rust, you can do one of two things:

You can buy the gas tank sealer kit from eastwood. It's two parts, one is an acid based cleaner, and the other is a sealer that you slosh around to coat all parts of the inside.

Or you buy a gallon of muriatic acid, slosh it around to eat the rust (it will also eat the galvanizing off your tank).
Then rinse that with water,...and go to O reillys and buy one qt of red kote. Pour that in there, an slosh it around untill it coats every inch of your tank, and dump out the rest.

Either way it's the same treatment. The Eastwood cleaning treatment is diluted muriatic acid (so you may want to do the same if you choose plan B)

downonmonday · Apr 12, 2016

Looking like I'll be making an order today. Thanks everyone.

downonmonday · Apr 12, 2016

That's what I thought too. I bought the car modded, so anytime something breaks I learn more what has been done.

SN95 Rust Or Dirt From Fuel Filter?

downonmonday

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stykthyn

I want to measure mine. It doesn't look that tall.

downonmonday

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stykthyn

I want to measure mine. It doesn't look that tall.

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RangerJoe

I leave the horn on while driving

stykthyn

I want to measure mine. It doesn't look that tall.

CarMichael Angelo

my rearend will smell so minty fresh,

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SN95 Rust Or Dirt From Fuel Filter?

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I want to measure mine. It doesn't look that tall.

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I leave the horn on while driving

I want to measure mine. It doesn't look that tall.

my rearend will smell so minty fresh,

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