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Finding Pinion Angle

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Pinion angle is how far up the pinion points; caster angle is how far back the knuckles lean. We like between 5 and 10 degrees of caster, and try to match it side to side. We decided to aim for 9 degrees of caster with 0 pinion angle to allow us to roll up the pinion slightly while still having good caster. We marked the axletube and C with alignment marks from a punch to assist in reassembly