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 1, 2022
What’s New – December 2022
We are winding down our year here and getting ready to celebrate the holidays. We hope you've had a great year. We've added a few more tracks to the site. We're so close to 1,000 tracks. If you don't see your track listed, let us know. Here are the tracks we added last month.
- Lake Brady Park - Brady, TX
- Lake Crook - Paris, TX
- La Paz County Park - Parker, AZ - updated
- Kokomo Speedway - Kokomo, IN
- Shannonville Motorsports Park - Shannonville, Ontario, Canada
- Terre Haute Action Track - Terre Haute, IN
- Wabash Valley Dragway - Terre Haute, IN
- Calverton Executive Airpark - Claverton, NY - Updated
- Moto1 Long Island - Calverton, NY
- Windy Hollow Dragway - Owensboro, KY
- Windy Hollow Speedway - Owensboro, KY
- Lake Eerie Speedway - North East, PA
- Lake Elsinore Motorsports Park - Lake Elsinore, CA
October 6, 2022
At the Texas Motorplex this weekend?
Bob of RaceCarBook.com will be in Texas this weekend at the Funny Car Chaos finals at the Texas Motorplex. He'll be walking around wearing a RaceCarBook.com hat. If you see him, stop and say hi!
October 4, 2022
Torque vs Horsepower in Engine Tuning
Our latest article is out over at RacingJunk.com. It's about tuning for torque vs horsepower. In it, we discuss how different tuning goals require different setups. Check it out.
Tuning for Torque vs Horsepower: Know the Difference
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