Check out this improvement on an 87 GN! I guess it's much faster now with a Chevy 454!
http://cgi.ebay.com/ebaymotors/1987...4620614156QQcategoryZ6137QQrdZ1QQcmdZViewItem

http://cgi.ebay.com/ebaymotors/1987...4620614156QQcategoryZ6137QQrdZ1QQcmdZViewItem