Light rod ( Manley cascar rod) Light piston Bush lifter bores .030 restrictor to cam bearings Good oil pan (Charlies) Good valve train (Jesel, T&D) Good machine work (Duh) Going to work the head GT class cars have big money in the heads No need to do any other oil mods waste of time don't out trick yourself My racing partners class 318 runs 10.70/10.60 at 3200lbs. My class 340 goes 10.50 at 3400lbs.
