I was looking at early Buick flexplates compared to the nailhead trans conversion one I have now and it looks like the same, but I didn't have the ring to check the bolt pattern. I assumed they are internally balanced like later motors but the one from a Buick 401 has a balance weight on it. Jim Blair -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://list.amc-list.com/pipermail/amc-list-amc-list.com/attachments/20130723/44bb7a55/attachment.htm> _______________________________________________ AMC-list mailing list AMC-list@xxxxxxxxxxxxxxxxx http://list.amc-list.com/listinfo.cgi/amc-list-amc-list.com