Buick Grand National Steering Box Build - Straight Arrow
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Valenzuela checks the torsion bar's balance on this machine. Our steering box was fitted with a 30-lb-in torsion bar, so the driver exerts around 30 lb-in of torque turning left or right before the power assist kicks in. Our torsion bar was poorly balanced and needed only 25 lb-in to turn right and 32 in-lb to turn left; Valenzuela adjusted the bar until he saw an equal 28 lb-in in both directions. View Related Article
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