Snaps on exit
Rear tyres are asked for cornering and acceleration at once and run out. Give the rear more grip, or make the axle behave more as one unit.
Ranked on a free car
This week's rookie circuit is free — these labs open with this symptom at its key corner, already ranked. What is free this week.
The default order
Generic order — open a lab for your car and corner.
- 01More drive diff lock5–10%diff
Ties the rear wheels together under power so the unloaded inside wheel can't spin up and pitch the car.
Adds power understeer in slow corners.
- 02Softer rear anti-roll bar1 clickbar
Rear rolls and builds slip angle rather than snapping. Also keeps load on the inside rear on exit.
More roll; slower direction changes.
- 03Softer rear springsone stepspring
Lets the rear squat and put weight over the driven axle on power.
Check ride height and platform under load.
- 04Later, smoother throttle½ secondtechnique
Getting on power before the car is pointed is the most common cause of this and costs nothing to fix.
None — try this before any setup change.
- 05Feed the throttle over a count of three3 countstechnique
A rear tyre near its limit will take a lot of torque delivered gradually and very little delivered at once.
None. This is free, and it is faster than the correction it prevents.
- 06Short-shift out of the slow corners1 geartechnique
A taller gear delivers the same power with less torque at the wheel, which is exactly what a rear tyre with no grip left needs.
Costs a little acceleration if the rears were never the problem. Test both.
- 07Get the car straight, then commit⅛ turntechnique
Every degree of steering angle is grip the rear is spending on cornering rather than on putting power down.
None — the cheapest fix on this list.
- 08Lower rear tyre pressure0.5 psityre
More rear contact patch — provided the rears aren't already overheating.
If rear temps are high this makes it worse.
- 09Higher traction control level1 leveldriver
A stopgap while you sort the mechanical side — protects the tyre over a stint.
Costs exit speed where you could have driven around it.
- 10More rear wing1 clickaero
Rear downforce grows with speed, exactly where high-speed instability lives.
Top speed — a real cost on a track with long straights.