TireSmoke.org

Here's a Christmas gift for all y'all with iPods or Iphones. I don't know if this is any good or not, but the PocketDyno app is free here:

http://dealnews.com/App-Store-Freebies- ... 69660.html

PocketDyno™ transforms your iPhone or iPod Touch into an automotive performance meter. With it you can measure your vehicle's horsepower, your 0-60 and quarter mile time and much more

Installed. I'll give it a whirl on the on ramp