link to free air density tuning info for drag racing at the famous
Kingdon Drags, Kingdon Airport, Sept. 6-8, Lodi airport, Lodi, California, USA. Rules
link. (209) 649-1789, (209) 224-4692. Map location, air density, density altitude, grains, forecast, historic, & metric data "for good spark plug readings":
https://airdensityonline.com/track-r...Kingdon_Drags/