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One of the first things I did after buying my Jeep was to get rid of a jury-rigged piece of copper tubing that ran from the fuel pump to the carb. Copper tubing will become brittle from vibration, leading to a dangerous situation from leaks. While I had the line off, one thing led to another and I rebuilt the carb.
During the rebuild, I found lots of crud in the float bowl. I even found my nemesis, little specks of blue silicone gasket maker. I got to looking at the fuel filter screen inside the fuel pump and realized it couldn't catch the small stuff. While trying to find a fitting to plumb into the carb inlet fitting, I had a brainstorm.
A Fram G3596 fuel filter threaded right into the carb inlet. I happened to have one laying around since it also fits my F250 truck. The other side of the filter has a 5/16" flare fitting for which I formed a new piece of steel tubing to run to the fuel pump. This filter now catches most anything that gets past the coarse screen in the fuel pump. Whenever the filter is changed, cut the old one open with a tubing cutter. You'll be amazed to see what it will catch.
The 5/16" line to match the filter is not the stock size. I had to change the output elbow fitting on the fuel pump to match. With a bit of searching, you might be able to find a filter which mates to 1/4" line instead. If so, please let me know the part number and I'll update this.
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