Air Density Online

weather calculations for racing engine tuning


Sep 15, 17 - Check us out in the latest SEMA magazine!

If you receive SEMA News, you can check us out in the latest issue! Jennifer, the owner and developer of this site is mentioned in new members section on page 100, 101, and 103.

Check it out online!


Aug 31, 17 - What’s new for September

We are trying to get the word out about our site! So, we are asking our users to visit our Facebook page to give it a like and maybe even a share. We would appreciate it!

Air Density Online on Facebook

We've also been adding tracks to the track weather pages. Check out the tracks we added in August:

If you don't see your track in the list, contact us and we'll work on adding it.


Aug 10, 17 - Update from Bill Ketterman

We posted about Bill Ketterman a couple of months ago. We just heard back from him and he is running a second car that he is testing will small percentage of nitro!

He is running at Barona Drags in Lakeside, California. The car is an original Plymouth Savoy 6 cylinder converted to a blown hemi engine: 526 cubic inches. Check out more information about the car:

  • compression ratio: 12.5 to 1
  • magneto: MSD 44 amp
  • blower: 14-71 high helix
  • blower overdrive: 52%
  • fuel: methanol plus 6% nitro
  • transmission: 3 speed Lencodrive
  • RE ratio: 4.56
  • car weight: 3800 lbs

Check out these photos:

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