Quote:
Originally Posted by Don Kennedy
I think it was NHRA Darrell Zimmerman that originally used the corrections and the reason was that if there were no corrections at any altitude track a racer would "never" have a chance to set a national record like at below seal level tracks in corrected altitude so in fairness NHRA decided to have the corrections done base on a lot of comparisons . The altitude corrections are right on when corrected to sea level ,if you think it is easy to run at a High altitude track I welcome you to go to Denver and see just how hard it is to make your car run at 9,000 corrected ft ,get in shape cause your body even can't breathe . Ask Bobby Warren how hard it is to run on the Hill at Denver . He knows as he as ran there a lot . I remember in the late 70s or early 80;s not sure when Bobby was at Denver and he ask Herman Chapman how to make his car run at this altitude , I seemed to recall Bobby changed just about everything in his to car ,not much helped . Now there is great air at Denver just like when there is below sea level air at seal level tracks FYI The Correction are dead on NHRA did Good
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of course we don't get a correction factor when its 4000DA at a track with a real altitude of 6', but when the DA is 3000' at a 5000actual altitude track you can set a record that can't be duplicated. There have been records set at altitude tracks that were wayyy off from what anyone had actually run at a "non factored" track.