Start with the cylinder head part numbers. That will help narrow it down. 401 71 Early 50.60 2.025 1.680 Dog-Leg Single 319 6291 401 71 Late 57.92 2.025 1.680 Dog-Leg Single 321 2993 812 0126 Service replacement for 71-72 Heads 401 72 57.92 2.025 1.680 Dog-Leg Single 321 3948 401 73 57.92 2.025 1.680 Dog-Leg Single 321 6090 401 74 57.92 2.025 1.680 Dog-Leg Bridged 322 0502 Sincerely, Greg Taylor Rochester Hills, MI 1989 Jeep Grand Wagoneer "TRMN8R2" 330-CID AMC Stroker V8 ________________________________ From: "das24rules@xxxxxxxxx" <das24rules@xxxxxxxxx> To: amc-list@xxxxxxxxxxxx Sent: Mon, May 24, 2010 12:19:44 AM Subject: [AMC-list] wow, 401 isnt very good lookin so, i traded a piece of junk snow plow blade i would never use, for a 401 that wil need a lot of money i dont know if ill ever have for it. yup, it says 401 on the block. i got to go get #'s off, and measure the pilot to see what year it is. it has dog leg heads. its a pile of rust, no front cover, no flexplate/flywheel, looks like it has been sitting outside for 10-15 years. great. time to pop heads and oil pan off, and look inside. who knows where to find info on dates by the block #'s? i forgot where to look. _______________________________________________ AMC-list mailing list AMC-list@xxxxxxxxxxxx http://list.amc-list.com/listinfo.cgi/amc-list-amc-list.com -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://list.amc-list.com/pipermail/amc-list-amc-list.com/attachments/20100523/20cdf2d9/attachment.htm> _______________________________________________ AMC-list mailing list AMC-list@xxxxxxxxxxxx http://list.amc-list.com/listinfo.cgi/amc-list-amc-list.com