Welcome to the board. You are new so don’t know the ins and outs yet. This forum is intended for general introductions only. Tech questions posted here don’t get the coverage they deserve. Repost your question in the proper forum and it will have a good chance of being answered.
This topic has been coverd on the board. A search on HotRodders for top chops on Advance Design pickups brought up these threads;
http://www.nucleus.com/%7Eagingles/topchop.html
http://hotrodders.com/showthread.php...op+chop+pickup
http://hotrodders.com/showthread.php...op+chop+pickup
http://hotrodders.com/showthread.php...op+chop+pickup