Air Density Online

weather calculations for racing engine tuning

ProCalc
Jetting
Calculator

Jet your car from anywhere with an internet connection. Have a smartphone? You now have a portable jetting calculator.

FREE
Weather
for tracks

Real-time density altitude from current weather data at various tracks including: NHRA & IHRA dragstrips, road courses, dirt ovals.

ProTune
Custom
Setups

Get your MFI fuel system setup programmed into ProCalc. Even get your dyno data added. You get 1 year of access to ProCalc too!


November 19, 2018

Happy Thanksgiving to our US visitors

This week we celebrate Thanksgiving in the United States. I'd just like to say that I am thankful for my dad, Bob Szabo who provides his technical expertise... in addition to being my dad! I am also thankful for everyone who sends track requests and all our visitors who get weather and engine tuning data from this site. This site would not be what it is without you all!

I would be especially thankful if everyone who visited this site liked us on Facebook.

Regardless of where you are in the world, I hope you have a great day filled with family and friends.

Jennifer Szabo


November 12, 2018

How to use weather in your engine tuning

Recently we wrote an article for Racingjunk.com. In it, we take the weather for an event at Texas Motorplex and analyze how that might affect an engine tune-up. It's a pretty informative article that could shed some light on how to utilize weather data at the track. Check it out:

Air Density Tuning Elite 12 ProMods Drag Racing @ Texas Motorplex Nov. 1-3 2018

November 5, 2018

What’s new with us – November 2018

Fall is in full force. We are now working on adding historical weather data to the site. That is one of the most common requests.

Several more tracks were added last month, including tracks from all over the world. If you race at a track you don't see listed, let us know and we'll add it.


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