At 278 mph in the standing mile, the 2,000 horsepower M2K Motorsports Ford GT is one seriously fast American car. Do you know of one faster?
Despite the very straightforward term, 'fastest' is a bit vague. For the issue of this question, it means 'highest top speed.' Your 'Ring run videos are appreciated, but not the most relevant.
So what is the fastest American car ever built? Give some proof of its speed and a further justification with your answer.
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