mallory comp pump #4140

I'm curious, but would prefer new... but if the price$ is right and it's been treated right... used would work....depending on:

How old?
How was it mounted?
How many cars was it in?
What did it come out of (street or race)?
Was it with a dead-head reg or a bypass..?
What was your setup...ie: filter (how many/where) & line (dia)?

Just sniff'n, but we'll see.
Thanks buddy.