Dec 11, 2010 #1 George R Mopar Nutcase Joined Oct 29, 2007 Messages 2,645 Reaction score 71 Location Trumbull, CT Are mechanical fuel pumps the same for big block (440) and small block (340)? Thanks, George
Dec 11, 2010 #2 7 71DartGuy Well-Known Member Joined Jul 24, 2007 Messages 1,776 Reaction score 11 Location Muncy, PA 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.
Dec 11, 2010 #3 67Dart273 FABO Gold Member FABO Gold Member Joined Oct 14, 2010 Messages 62,697 Reaction score 37,142 Location Idaho They are NOT the same
Dec 11, 2010 #4 EL5DEMON340 Well-Known Member Joined Feb 6, 2009 Messages 4,255 Reaction score 598 Location Aurora,IL 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
Dec 11, 2010 #5 George R Mopar Nutcase Joined Oct 29, 2007 Messages 2,645 Reaction score 71 Location Trumbull, CT Thanks fellas. Anyone have a pump pushrod thay don't need? Geo
Dec 12, 2010 #6 M moper Well-Known Member Joined Dec 27, 2004 Messages 15,912 Reaction score 2,540 Location eastern CT George, your local Car Quest or Napa can get them new, or the usual aftermarket Summit or Mancini.
Dec 12, 2010 #7 George R Mopar Nutcase Joined Oct 29, 2007 Messages 2,645 Reaction score 71 Location Trumbull, CT Thanks Moper geo