20-05-2012, 08:26 PM
VNTs don't have a wastegate.
They essentially adjust the A/R...
As the vanes close up - they accelerate the gas towards the tips of the turbine blades through Variable Nozzles, as they open up, the gasses slow down and don't hit the tips at as sharp angle, causing less backpressure and causing the turbine wheel to slow down - or controlled right, will hold a set boost level.
They essentially adjust the A/R...
As the vanes close up - they accelerate the gas towards the tips of the turbine blades through Variable Nozzles, as they open up, the gasses slow down and don't hit the tips at as sharp angle, causing less backpressure and causing the turbine wheel to slow down - or controlled right, will hold a set boost level.