I run a mallory 250 pump.
This pump is very powerful and will cavitate if the suction side is at all restricted.
I run an an-12 pickup line from the fuel cell to an aeromotive 100 micron straight filter.
Unfortunatly the mallory 250 only has an-8 size suction and discharge .
I used and adapter an-8 to an-10 for the aeromotive filter and and adapter after that from an-10 to an-12 to the pickup line.

I would also recomend using a return regulator near the front of the vechile, and not use the built in return regulator.