Shaking at freeway speeds

[PNYXPS66]

Does the steering wheel shake at cruising speed? A simple way to check your front end alignment and parts is to cruise at the vibrating speed and hold the steering wheel at the 12:00 position. Point your index finger towards the roof while holding the steering wheel. If it shakes with the vibration, check your alignment, idler arm, inner and outer tie rods, upper and lower ball joints, pitman arm, and your control arm mounts. Take it back to Firestone to check your front end if you don't want to tackle it yourself. I had a similar problem with my 66 and I found out the hard way it was the upper control arm mount on the right side. The upper control arm came off the mount bar and pierced the shock tower while I was driving on the highway. Darn near lost control at 70mph. Be careful and good luck! Hope this helps.

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Pony Express 66
God Speed and keep it between the lines!