I ordered a new fuel pump from Bruce at Show Cars. The site said the 4278A is for all 348 and 409 engines. It came in yesterday and it has a fitting for a return line. Do you just block this off? Show Cars is closed today or I would call. It is for the 409 in my 59 Impala.
W Head
59 Impala 409-2,4s
W Head
59 Impala 409-2,4s