Ok just had the vernier out
So up to now info is -
Cold side -
5304 101 5160
Hot side -
039060 1262
Nisicr 3532
039060
3532
Measurements -
Inlet I.d - 38.8mm/1.528"
Edge of inlet i.d - 39.9mm/1.571"
Inlet O.d 44.9-45 mm / 1.769"
Cold side outlet I.d - 39.9mm/1.571"
11 blades on turbine
10 blade on compresser wheel