All 1970 440 and 440-6 B & E bodies had 3/8 fuel line. You will want to look up the 383/400 pump for your car with 5/16 lines, could be Carter 267-A. Not sure how well that set-up will work on a 440-6. You may want to change over to 3/8 fuel lines.

Last edited by 70gtx440dana; 05/14/20 08:59 AM.

70 Road Runner 383-4 4 speed FJ5 & black guts
70 Charger R/T 440-4 4 speed FJ5 & white guts