you shouldn't have to worry about priming the fuel system, the mechanical pump on your engine will draw the fuel on its own. It is recomended, but not neccesary to fill the filter when replacing it. If you are using an electric fuel pump(especially with a return side like the late model efi engines) it can be a pain to replace the filter as the system willl need to be bled of air, but with your old style mechanical pump, you shouldn't have any problems.
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