Car needs to be on the scales just like it would be on the starting line, fuel, water, oil, driver (fully suited up), air pressure in the tires set. Set everything neutral and square (distances, front to back, and left. front to .r rear, and r. front to left rear) for the start, and adjust from there.

1994 Undercover Chassis 125" altered stack injected big block, soon blown and injected Member of The Torque and Recoil Club