Need Help fast.

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jdp8402

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I cleaned my fuel tank and now I want to put everything back together. I ordered a pencil filter from Berts Model A Store. But the pencil filter doesn't fit in the hole of the shut off tight. Not even close. I want to put everything back together and fill the tank with gas so I can try to keep the tank from rusting. Will gas eat Teflon tape? If I wrap some Teflon around the neck of the filter I can get it to fit tight. If not what are my other options?

Thanks,
Jeff
 
Try a piece of 5/16 copper tubing. It should fit tight in the shut-off and still prevent the sediment at the bottom of the tank from entering the gas line. You can then coat the threads of the shut-off with permatex to help prevent any seepage along the threads.
 
29spcoupe said:
Try a piece of 5/16 copper tubing. It should fit tight in the shut-off and still prevent the sediment at the bottom of the tank from entering the gas line. You can then coat the threads of the shut-off with permatex to help prevent any seepage along the threads.
Click to expand...

The tubing only needs to be about an inch long.
 
Here's a couple of pictures. Not sure if you can see what I'm talking about.
 

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There must be something wrong. Either the filter was made wrong or the shutoff valve has a hole that is to large. I wouldn't use Teflon tape to "try" to make the filter fit into the valve. I have installed a filter in a new shutoff valve I bought at a reputable supplier and it fit nice and tight. You might call Steve at Bert's and see what some of his filters measure where the filter is supposed to fit in the shutoff valve. Then compare his measurment to the one you have. If they are the same dimensions and Steve says he has had no complaints, I think your shutoff valve is the problem and may need to be replaced. Bert's is open Saturday mornings.
Rusty Nelson
 
jdp8402 said:
I cleaned my fuel tank and now I want to put everything back together. I ordered a pencil filter from Berts Model A Store. But the pencil filter doesn't fit in the hole of the shut off tight. Not even close. I want to put everything back together and fill the tank with gas so I can try to keep the tank from rusting. Will gas eat Teflon tape? If I wrap some Teflon around the neck of the filter I can get it to fit tight. If not what are my other options?

Thanks,
Jeff
Click to expand...
Do you have a spare gas shutoff valve? The hole in the top of the valve allows a nice press fit for the pencil filter.

Would guess you have the wrong shutoff valve or someone has opened the hole in the valve.

Another "way out" solution is to remove the valve, solder or braze the hole shut and drill a new hole that will allow the pencil filter to fit. Mic the stem of the pencil filter, then choose the right drill size.

One more.. If you have a metal lathe, you could make a thin wall bushing that would have a metal-to-metal fit into the valve.

Yet another.. Flow some solder on the stem of the pencil filter, rotating it to get a diametral build up, then turn or file to fit.

Gawd..

Larry
 
I remember getting a reproduction shut off valve with some parts. That shutoff valve had a larger than original hole.
Buying a shut off valve from Berts will solve your problem.
 
I wrapped a narrow strip of aluminium foil around the stem of my pencil filter to create a super snug fit in the shutoff valve, but judging by the photo, yours appears to have heaps more play than mine did. Worth a try, maybe with a strip that's a few layers thick, and see how it feels?
 
Before I knew about the pencil filters, I bought a stainless steel paint filter for an airless
paint sprayer which is threaded at the bottom. I theaded the valve and screwed in the filter. It has been working great.
 
I've only run into this once, and I tinned the filter with solder. It was a nice snug fit with a thin coat of solder, as Larry mentioned. Your's will take a bit thicker coat of solder, but it should get the job done.
 
Had the same problem on my rpu that I bought last month. Was an econo valve with
too big a hole. Went and installed an original shut off and the filter fit right in snug.

I much prefer the filter over an inch or two of copper tubing, which mine also had.
 
While your deciding to buy a new shutoff valve or not try some JB weld if soldering is not an option.
 
I did pretty much the same thing as Tom, I used a little flux on both the filter and valve, then used a small butane torch and soldered the filter to the valve. It didn't take much heat, didn't use very much solder and held tight.
 
I had the same problem and found a pencil filter from Yesterday's Tractors" for a Ford 9N that fit fine.
 
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