May 1, 2009 at 2:07 PM #1 When was the change over from the 3939 to the 4201 Pump?Dearborn build date Nov.65', 66,Kar.ThanksQ.Edited by - qballll on 05/01/2009 16:36:35
May 2, 2009 at 12:27 AM #2 I know a couple Shelbys in the 300 number range that have the 4201, so I would say that one.