Air Density Online

weather calculations for racing engine tuning


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:

(read more...)

Aug 1, 17 - What’s New for August 2017

We're in the heat of summer and racing away! We've got some articles coming out soon that we are really excited about. We are also continually adding tracks and adding content. Check out the tracks we added in July:

If you don't see your track in the list, let us know and we'll add it! We can add tracks in the United States, Canada, and Australia.


Jul 20, 17 - Check out our articles from Engine Builder Magazine

Back at the start of the year, we contributed 2 articles to Engine Builder Magazine. We now have pdf versions of those articles for you to read. Check them out:

We are also excited to announce that we will be contributing more articles to Engine Builder Magazine later this year! We will post updates when they become available.


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