[jstinson]

I purchased a Superformance (633) recently and discovered a wobble in the steering wheel that was slight a low speeds but became stronger at 70 mph - went away at 80 mph. It felt like a front wheel out of balance. I needed some new tires anyway so I put them on got them balanced, new alignment, and the wobble is still there at 70 mph. I'm thinking its still an out of balance problem where a brake rotor or other part of the rotating spindle is out of balance.

Does this happen often in Cobras? Do I need to replace the rotors? I am looking for a place that will spin balance the mounted wheels the way it was done 30 - 40 years ago but have had no luck.

Suggestions?