i was offered a carter electric fuel pump from a friend for 20$ he said it flows 110 or something, can someone explain this to me? and its cheap so will it help much.

 

dont know man never heard of a carter fuel pump

 

the pumps are rated in liters per hour flow. stock 5.0 is 88 lph, so 110 lph would be an upgrade. just make sure it's a Ford compatible in tank fuel pump.
and Carter is an auto parts manufacturer that's been around for years and years, made lots of carburetors back in the day.