Virtual Dyno cell phone app.

[toolmanmike]

I just got the Virtual Dyno v1.5.0 on my cell phone. It's pretty cool and only cost $1.50.

https://play.google.com/store/apps/details?id=com.mlsoft.VirtualDyno&hl=en

 

[diymirage]

so you put this on your phone, put the phone under the rear wheel, gun it, and it will tell you how much horsepower you got?

 

[toolmanmike]

Yep! Can't expect much for a buck and a half. LOL Only works once though.