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NHRA uses correction
factors to equal the playing field for racers across the country. A
car racing at an elevation of 4500' will have a slower ET and MPH than a
similar car at a track with an elevation of 1000'. For example, let's
assume your car, at your local track with an elevation of 4500', runs 13
sec. in the 1/4 mile. If you were to race your car at a different
track with an elevation of 1500', your ET would be considerably better.
Correction factors tell you what your ET and MPH would be at sea level.
Taking both car's ET's and correcting them to sea level allows for a very
accurate comparison of performance. |
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To correct your ET and MPH to
sea level, simply find the elevation of your track and multiply your ET and
MPH by the corresponding correction factor. |
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