What's the point of a Dyno?

Like the subject asks, I want to know what a Dyno is good for. Does it just give you a readout of how your truck performs under certain conditions? Or does it tune it to perform a certain way under certain conditions?

 

A Dyno is used to find both peak horsepower and to specifically tune to reach the engines maximum potentials when modifying engine components.

 

To get a torque and HP curve for the vehicle. With a modified vehicle, you can then tweak it to optimize performance for various situations.

 

Ok so you don't take a stock truck and put it on a Dyno then? Only when you're changing something up with exhaust, intake, so on?

 

You could put a stock truck on a dyno as a baseline, then you can see what affect any modifications had on your torque and HP by doing another dyno run.

 

Ok thanks for the info!

 

edit: slow