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REAR ANTI-SQUAT ANGLE CHARACTERISTICS

Less anti-squat (fl atter arm)
• Increases rear traction off-power
• Decreases rear traction on-power
• Better on a bumpy track

More anti-squat (leaning more backwards)
• Increases rear traction during acceleration
• Decreases rear traction off-power
• Better on smooth high grip tracks

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What is Anti-Squat?

Anti-Squat is best described as Caster for the rear wheels…it changes the relation of the inner hinge pins parallel to the ground. The more anti-squat the vehicle has, the less the suspension will squat during acceleration. Anti-Squat is most effective from a stand-still.
Navigation Arrow Tuning with Anti-Squat

Most vehicles allow the adjustment of Anti-Squat in similar ways: somehow adjusting the height of the front or rear hingepin mounts of the rear suspension arms.

Adding Anti-Squat will make the car Squat less during acceleration. This will cause your car to track straight on straightaways. It will also make your car push coming out of corners, but loose entering corners.

Less Anti-Squat will result in the opposite: a little less forward traction, more stable entering corners, and will track through bumpy sections much better.

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Anti-squat adjustments are available on the rear of most modern buggies and trucks. Anti-squat is typically adjusted by either replacing the rear suspension arm mounts, or placing washers or wedges under one end or the other of the mount before tightening the mounting screws. This results in a change in lifting the front edge of the arm higher than the rear edge.

Anti-squat does exactly what you might guess by its name, it prevents the rear end of the car from squatting under power as the car accelerates and weight transfers rearwards. Anti-squat does also have some other effects (as with any adjustment, there’s always a trade off). Let’s take a look at the effect of altering anti-squat on both acceleration and cornering.

Increasing Anti-squat. If you add anti-squat, your car will (in general) get more ‘driving traction’ and hence accelerate faster. When you come out of corners, you will be able to use more throttle and your car will be more stable. But (and it’s a big But), when you back off to turn into a corner, your
car will have less rear grip. This might result in you spinning out when you back off the throttle. Adding anti-squat also affects the way your car drives through bumps on the track. If the track is bumpy right where you want to accelerate, anti-squat is not a good thing, it will make the rear of your car very ‘bouncy.’ On the other hand, if the rough stuff is in a place where you are cruising on constant throttle, or even decelerating, then anti-squat will actually help your car to ‘cruise’ through the bumps more smoothly.

Decreasing Anti-squat. When you decrease anti-squat you lose rear ‘driving’ traction. Your car will be a little more prone to power slides and fishtails. However, you will have more traction on a trailing throttle, resulting in your car being more stable into corners. It will also accelerate better through bumpy parts of the track.

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