Autolite 1100 on 200 inline six

If you can find a radiator shop that is where I had one cleaned out before. Like in 1989 or something.
 
I cleaned out old metal tank-to-pump fuel lines by removing the line at the tank (was installing new tank anyway) and spraying brake cleaner spray into the line in the front, followed by compressed air. Continue process until it blows out clean at the rear. . Not as effective as replacing the line, but works well enough. On that vehicle I then used an inline filter before the pump. Normally the inline filter should be after the pump, as gas "boils" into vapor at a relatively low vacuum. Better for physics and the pump to have the filter on the pressure side of the system. After about one tank of gas consumed, any remaining light debris from the line is 95% cleared out. After a couple of tanks I replaced the inline filter, moving it to the carb side of the pump and no further issues.

Replace any rubber line too, if its old. Alcohol is hard on the system. (don't forget the short rubber piece at the tank). :)
 
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