Wheel Runout Jig

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A Jig for Measuring Wheel Runout:

I have been trying to figure a way to measure wheel runout without a tire machine or on the vehicle. The answer was lying in my basement.

I took an old spare geared hub and just laid it on a bench--studs facing up, supported on one side by a 4 x 4. I then laid the wheel on top --with studs through the rim. Didn't really have to even bolt the wheel down. Then just spin and measure using a cheap whitney gauge. If you don't have a spare geared hub --just use an 8-stud chevy or ford front disc brake spindle, bearings and axle and you have a JIG... They are hanging around most general vehicle repair stations.. ms

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