All of the filters have a flow direction arrow, either a sticker, ink or stamped. On this picture, *the filter that is Standing: the (seamed)inlet is on the bottom. The outlet has that steel extension screwed into it, facing up. I'm not sure if the post 9/78 use that steel extension.
Assuming your crush washers are copper and Not mangled:
If you have a gas stove and bare piece of wire or whatever, you can heat the crush washers to glow orange fully, for just a couple seconds to soften(anneal) them. Let them cool naturally and use a wire brush to remove the flakes. (thanks Tom D).
click to enlarge
*there's suppose to be 4 crush washers in a kit that includes them, not just 2 as shown in this picture.
fuel-filter.jpg
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