Old 10-10-2019, 01:45 PM
  #23  
bobszabo
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JOURNEYMAN
 
Join Date: Jul 2007
Location: Rancho Cordova, California
Posts: 30
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Link to free air density tuning info for drag racing at NHRA drag racing:

NTK NHRA Carolina Nationals, Oct 11-13, Concord, NC, 800-455-3267
Map location, air density, density altitude, grains, forecast, historic, & metric data "for good spark plug readings":
https://airdensityonline.com/track-r...otor_Speedway/
forecast: https://airdensityonline.com/track-f...otor_Speedway/
historic (you can go back several years): https://airdensityonline.com/track-h...ay/2019-10-09/
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