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Events to check out

By Jennifer on January 10th, 2019 in Events, Main News

This year we want to post links to upcoming events. If your track has an event coming up, let us know and we'll link to it here.

It's early in the season and still winter in most of the US but there is still racing going on. Here are a few at our home track:

Sacramento Raceway - Sacramento, CA

Happy New Year

By Jennifer on December 31st, 2018 in Main News

Happy New Year Air Density Online! We hope 2019 will be better than last year.

We've been working on the site all year to make it the best it can possibly be... with more improvements to come in the following year. If you've been wanting to give our online jetting calculator a try, now you can with a free 2 week trial:

Give ProCalc a try

Regardless of how you run your car, we wish you all the best in the year to come.

Last month we did some modifications to the US Track Weather and the International Track Weather pages. There is now a general forecast that will give an overview of the current and day weather. Additionally, in the past, forecasted density altitude was only available for US Tracks. Now, it's available for all tracks on the site.

We also added a couple new tracks to the site:

As always, if you would like your track listed on our site, just contact us and let us know.

Happy Holidays from Us to You

By Jennifer on December 24th, 2018 in Main News
Happy Holidays to You!

Happy Holidays to You from!

Happy Holidays from us to you! We are thankful for all our visitors and wish every one of you a joyous holiday season.

New articles from 2018

By Jennifer on December 17th, 2018 in Info and Education, Main News

This year we wrote several articles for various outlets. If you want to dodge your family over the holidays, just tell them you need to read up on this information. Here are the articles we wrote in 2018:

Engine Builder Magazine

If you have ideas for articles you'd like to see from us, let us know!

What’s new – December 2018

By Jennifer on December 3rd, 2018 in Main News, Site News

Happy holidays from us to you! We added more tracks to the site last month. If you are racing anywhere in the world, let us know and we'll make sure your track is listed on our site.

We are working on upgrading certain areas of the site for the upcoming year. If there is a feature you'd like to see on our site, let us know and we'll see if we can add it.

Check out our international tracks

By Jennifer on November 26th, 2018 in Main News

Thanks to a new weather provider, we have expanded our list of race track weather locations to be worldwide. We are working on adding tracks from six continents (and we'll be sure to add Antarctica as soon as they have a track!). Here are all the international tracks we've added so far:

Worldwide race track weather

If you've got a track that's not listed - anywhere in the world - let us know and we'll add it to the list.

Happy Thanksgiving to our US visitors

By Jennifer on November 19th, 2018 in Main News

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

How to use weather in your engine tuning

By Jennifer on November 12th, 2018 in Main News

Recently we wrote an article for 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
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