This is a subject that has a lot of misconceptions as many people try to tune how the car is balanced in drift by adjusting the rear toe. You should not run too much rear toe in on a drift car. In doing this you will have a car that will straighten up if the throttle is lifted or modulated. This is the leading cause of serious drift car crashes. A car's understeer oversteer balance should always be adjusted in the suspension, not by using the toe. If you want the car looser with more oversteer, increase the rear bar stiffness and or rear spring rate and stiffen the rear shock. If you want to tighten up the car with less oversteer, run softer rear bar, spring and shock.