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!
Thanks for visiting our site. We provide real-time, historical, and forecast weather data for racing engine tuning. We also provide engine tuning tools for mechancial fuel injected racing engines. We are constantly adding tracks to the site. If you'd like to see your track added to the list, send it over. Learn more about this site and it's creators or read some of the articles we've written.
What's New
December 24, 2021
Happy Holidays!
Happy Holidays to You!
Bob and Jennifer wish everyone a happy holiday season! See you next year!
December 1, 2021
What’s New – December 2021
We did it! We now have 900 tracks on the site. You can view current, historic, and forecast weather for over 900 tracks worldwide! Thanks to everyone who sent in tracks. It helped a lot.
Here are the tracks we added last month.
- Vancouver Island Motorsport Circuit - Duncan, BC, Canada
- Decker Boys Raceway - Leitchfield, KY
- Greg Moore Raceway - Chilliwack, BC, Canada
- Platinum Raceway - Gilliam, LA
We want to keep going! Send us your tracks so we can list them on the site.
Thanks for visiting. View the FAQ section for more information about using this site.
