Did you know that when you bore a 425 .030 over it's "officially a 455V8"? You win!
http://cgi.ebay.com/ebaymotors/1965-OLDSMOBILE-DELTA-88-425V8-BIGBLOCK-n-cutlass-66-67_W0QQitemZ190007189535QQihZ009QQcategoryZ6406QQrdZ1QQcmdZViewItem
Did you know that when you bore a 425 .030 over it's "officially a 455V8"? You win!
http://cgi.ebay.com/ebaymotors/1965-OLDSMOBILE-DELTA-88-425V8-BIGBLOCK-n-cutlass-66-67_W0QQitemZ190007189535QQihZ009QQcategoryZ6406QQrdZ1QQcmdZViewItem