
06-26-2008, 06:42 AM
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Senior Club Cobra Member
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Join Date: Mar 2001
Location: Southern Connecticut,
CT
Cobra Make, Engine: SPF - 351W, 944 non-turbo
Posts: 2,105
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Not Ranked
Over the years this subject has been beaten to death. It's not balance, it's not alignment, it's the tires. Most tires are not dynamically and/or dimensionally round. This and the fact that most Cobras do not come with a "rag joint" leaves many of us with a vibration at about 65MPH. In my case it comes and goes and is different in hot weather than it is in cold weather. I reduced it a bunch just by replacing my T/As with Yokos.
I worked in R&D for a major tire company for many years, what I'm telling you is more than opinion.
Bob
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