I guess the trick is to install new rings and let it rip.
http://www.lsxtv.com/features/car-f...4-8l-short-block-pushes-71-datsun-into-the-8s
http://www.lsxtv.com/features/car-f...4-8l-short-block-pushes-71-datsun-into-the-8s