link to free air density tuning info for IHRA drag racing at
Maryland International Raceway Summit Sportsman Spectacular Event, August 23-25, 2019 as well as other events throughout the month: map location, track elevation, air density, density altitude, grains, forecast, historic, & metric data for “good spark plug readings”:
https://airdensityonline.com/track-r...ional_Raceway/