Leaf Springs & Coils Breakdown - Spring Time
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Varying the preload on a set of traction bars is extremely useful when tuning. Generally, big-tire cars prefer less preload, as this hits the rearend harder out of the hole, while drag radial cars like more preload to help soften the hit. Varying preload from side to side can also help straighten a car out at the dragstrip. View Related Article
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