I finally had a chance to go all the way with my Mazdaspeed3. I had 2 runs and the speedometer froze at 153 Mph. I have it all on video, I just have to figure out a way to transfer it to the computer. Did anybody else try it? How fast could you go? I figure that if I saw 153 on the dashboard, the actual speed may be lower. I do have GPS but I did not try to read the speed using the GPS. Maybe next time...
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