4 Link Traction Bars

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4 link traction bars.

The purpose of a traction. The parallel 4 link is designed to keep the rear axle centered and to keep the pinion angle from changing keep the axle from rotating. The first thing you want to do is make sure the upper bars are the same length and that the lower bars are the same length. If your 4 link bars are adjustable for length you can do it there.

However a proven 4 link arrangement includes 15 1 2æ bottom links mounted 5º downwards to the front coupled with 17 1 2æ top links mounted 15º upwards to the front. After you get the bars the same length you need to put them back in and get the car square front to back and corner to corner. For drag racers this can spoil your burnouts and hard launches and for heavy haulers this can cause. This kind of suspension always has some kind of panhard bar to keep the axle centered.

Let s start at the beginning. When a drag car launches the rear end wraps up. A guide to tuning your four link suspension system ladder bars. Check out tuning 4 link rear suspensions for the drag strip.

Indexing a 4 link birdcage rotates or indexes on the axle tube whenever the suspension moves unless both upper and lower links are equal in length and parallel to each other. A 4 link rear suspension system provides many performance advantages and longevity over a leaf spring setup. Massive rear wheel torque can cause axle wrap wheel hop tire spin and leaf spring wind up. A 4 link suspension system is commonly used to replace leaf springs and shocks in vehicles to provide much greater stability while cornering greater tire contact and traction for drag racers and reduces body roll in lifted off road trucks and suvs.

It works especially well under hard acceleration at the drags or hard cornering at the track. See more ideas about chassis fabrication trophy truck tube chassis. Mar 24 2020 explore fangclaw517 s board 4 link and traction bars on pinterest.