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Old 04-23-2017, 07:34 PM   #7
M Brand 505B
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Default Re: 69 Chevelle AA/SA 10.04 at 125mphat Spring Nats

The 8.49 was recently brought to NHRA's attention hence the change. I would assume NHRA rounds down even if its 8.499 like they do on class weight ex. 3449 is 3445. The rule book doesn't seem to cover how weights and indexes are rounded though except for adding/taking away HP and that is rounded up ex 2.15 is 3.
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