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
July 1, 2021
What’s New – July 2021
Thanks so much to everyone who has sent in tracks to be added recently. We are getting close to reaching our 900 track goal. If you track still isn't listed, send it over! and we'll add it.
Recently added tracks include:
- Shasta Speedway - Anderson, CA
- Luskville Dragway - Luskville, QC, Canada
- Motopark Raceway - Virtasalmi, Finland
- Finnish Hot Rod Association - Helsinki, Finland
- IMI Motorsports Complex - Erie, CO
- SBR Motorsports Park - Peyton, CO
- Kalamazoo Speedway - Kalamazoo, MI
- Gas City Speedway - Gas City, IN
- Old No. 1 Speedway - Harrisburg, AR
- US 24 Speedway - Logansport, IN
June 1, 2021
What’s new – June 2021
It's so nice to be getting out and around almost like the pandemic never happened! And with the warm weather, we're excited for some racing. We've added more tracks to the site. If you're track isn't listed, let us know and we'll add it.
- Onowa Dragway - Onowa, IA
- Old 71 Speedway - Butler, MO
- Randolph County Raceway - Moberly, MO
- Central Missouri Speedway - Warrensburg, MO
- Dacotah Speedway - Mandan, ND
- Norman County Raceway - ADA, MN
- Devil's Lake Speedway - Crary, ND
- Greenbush Race Park - Greenbush, MN
- Millstream Speedway - Findlay, OH
May 27, 2021
Trial and Error Tuning: our newest article
Check out our newest article over at RacingJunk.com:
Motorsports Fuel System Tuning With Trial and Error or Better
We discuss common trial-and-error tuning methods and what's going on under the hood.
Thanks for visiting. View the FAQ section for more information about using this site.
