I feel like I have done something not knowing that I have done something to upset the balance and performance. The combination is this, 1971 Dodge Demon340 D/SA. Weight 3215 with driver, Sunoco 110, Amsoil 5-20 race,MSD7Al Gold box, 1971 Carter Thermoquad, ATI 5600 converter, 4.86 gear, Hoosier 9" radial. Performance 10:79 @ 121.00 mph, needs to be 10:55.
