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anti-squat

What is anti-squat, and how can you use it to tune your RC car's performance? Learn about squat and dive and their effects here.

Quick reference

Typical rear anti-squat

Anti-squat is primarily an off-road rear setting; on-road cars rarely have it.

ClassTypical rear anti-squat
1/10 off-road buggy (2WD/4WD)~1° to 3°
1/8 buggy / truggy~2° to 4°
Diagram of the anti-squat and roll center settings at the rear of an RC car

Anti-squat is the angle at which the rear suspension pins are tilted upward at the front when viewed from the side of the car.  0 degree anti-squat indicates the pins are parallel with the chassis.  If the front of the pin is angled upward, this is anti-squat, and if it is angled downward, it is called squat or pro-squat.

More anti-squat

  • More forward traction
  • Less “squat” (dropping of the rear end under acceleration)
  • Less on-power steering

Less anti-squat (pro-squat is rarely used)

  • Rear of car drops more on acceleration
  • Slower weight transfer to the rear on-power
  • More on-power steering
  • More stable in corners and on bumpy tracks

In the front of the car, the suspension pins can also be angled upwards, in which case it is referred to as kick-up, or in some cases pro-dive.

In some on-road applications, the front of the pins may be angled downward, and this is referred to as anti-dive as it keeps the front end of the car from dropping under deceleration.

Common questions

How much anti-squat should I run?

Most 1/10 and 1/8 buggies sit around 2–3°; grip and track roughness move it within about 1–4°.

How is anti-squat adjusted?

Through the rear inner hinge-pin mount or inserts (or hangers), which tilt the rear suspension pins.

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