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Measuring The Front Axle

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We normally sling the axle under the Jeep; loosely tighten the U-bolts, and then measure. Before doing anything, Cox likes to measure everything first and then do math to figure out where things need to go. He measures the pinion angle, spring center-to-center spacing, the angle of the spring where the axle sits at ride height, and caster (where applicable) of the original axles. Then he measures the new axles and marks them up where they need to get modified to match.

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