turbo drive pressure reaction?

[nickleinonen]

i am just curious, for those that have drive pressure gauges, how quickly does the drive pressure drop when you let off the throttle. same speed as boost, or a little quicker or slower????



[i'd try it myself, but i don't really feel like pulling my pyro out or drilling another hole in the ex manifold]

 

[KLockliear]

About the same, unless you have a much higher drive than boost ratio, then it takes a little longer.

 

[RonA]

Comes down fast, just like boost when you let off. Mine was running 65boost 95 drive a while back and it would drop fast as soon as I let off.