George R Mopar Nutcase Joined Oct 29, 2007 Messages 2,646 Reaction score 69 Location Trumbull, CT Dec 11, 2010 #1 Are mechanical fuel pumps the same for big block (440) and small block (340)? Thanks, George
7 71DartGuy Well-Known Member Joined Jul 24, 2007 Messages 1,776 Reaction score 11 Location Muncy, PA Dec 11, 2010 #2 I'm not 100% George but I think they're different. The arm I believe is a little longer on a small block pumpcause it rides on the eccentric at the front of the cam and the BB uses the pushrod setup.
I'm not 100% George but I think they're different. The arm I believe is a little longer on a small block pumpcause it rides on the eccentric at the front of the cam and the BB uses the pushrod setup.
67Dart273 Well-Known Member Joined Oct 14, 2010 Messages 60,068 Reaction score 33,345 Location Idaho Dec 11, 2010 #3 They are NOT the same
EL5DEMON340 Well-Known Member Joined Feb 6, 2009 Messages 4,198 Reaction score 499 Location Aurora,IL Dec 11, 2010 #4 sb has a long arm attached to it and rides on an eccentric, BB has a shorter arm and a pushrod between the cam and arm
sb has a long arm attached to it and rides on an eccentric, BB has a shorter arm and a pushrod between the cam and arm
George R Mopar Nutcase Joined Oct 29, 2007 Messages 2,646 Reaction score 69 Location Trumbull, CT Dec 11, 2010 #5 Thanks fellas. Anyone have a pump pushrod thay don't need? Geo
M moper Well-Known Member Joined Dec 27, 2004 Messages 15,900 Reaction score 2,496 Location eastern CT Dec 12, 2010 #6 George, your local Car Quest or Napa can get them new, or the usual aftermarket Summit or Mancini.
George R Mopar Nutcase Joined Oct 29, 2007 Messages 2,646 Reaction score 69 Location Trumbull, CT Dec 12, 2010 #7 Thanks Moper geo