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Roll Centers
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Roll Centers Racers are always talking about front clips, Drop Snout Clips, Standard, 3/4 Drop, 1 1/2 Drop clips, what does all this mean to the racers ? It's all about weight transfer and camber gain for better handling race cars and winning more races. Most of the time this means cutting the front frame off the and car and moving the front clip up or down; this is very expensive to the racers. Stock Car Products front frame clips have adjustable slugs that allow the racers to make roll center and anti dive changes at very little cost. Just think about it, if you run banked track with one brand of tire and a flat track with another brand of tire, this allows you to have the ability to change for track and tire changes for optimum performance at both. Roll Centers Roll centers are simply see saws that have the fulcrum moved to the right on left to speed up or slow down the amount weight transfer to the tires. Where you want your roll centers located are greatly influenced by the type of tires you run and the class you run. Radial Tires Winston Cup, Busch and Trucks use radials, Run roll centers that are low and to the right side as much as sixteen to twenty-five inches; the reason for this is because the car get very tight on long runs. Busch North Bias Tires Busch North cars run McCrearys - stiff sidewall bias tires that like roll centers low close to the center or to the left of the center line of the car because these tires need weight transfer that is more pronounced to make these tires work. LMSC Bias Tires Most LMSC roll centers are around five
inches high and five inches to the right, because the engines have cast iron
heads and the rules mandate 12 inch Do you have any questions? Visit Stock Car Products website, and you can e-mail questions to them. |
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Last modified: August 03, 2011 | ||||||||||||
