New info on the GTB1752V off of the renault traffic master.Comp wheel Inducer = 36.77mm Exducer = 52.00mm Trim = 50 Comp hsg A/R = 0.53 Turbine wheel Inducer = 43.00mm Trim = 84 Turbine hsg A/R = 0.74 It is also water cooled.This infor if from D&W Diesel Inc they are a master dealer for Garrett.