GT40 Turbocharger's Technical Data
Technical data for Model GT40 by Garrett | ||||
---|---|---|---|---|
Tolerances | ||||
Part | Inches | Millimeters | ||
Min. | Max. | Min. | Max. | |
Bearing housing | ||||
Piston ring bore diameter | 0,8220 | 0,8224 | 20,8790 | 20,8890 |
Bearing bore diameter | 0,7024 | 0,7028 | 17,8410 | 17,8510 |
Shaft and wheel | ||||
Journal diameter | 0,4520 | 0,4525 | 11,4810 | 11,4940 |
Clearances | ||||
Part | Inches | Millimeters | ||
Min. | Max. | Min. | Max. | |
Rotor | ||||
Axial end play | ||||
Radial bearing clearance | ||||
Torques | ||||
Part | Pounds per Inch | Newtons per meter | ||
Min. | Max. | Min. | Max. | |
Bolts | ||||
compressor housing ( 'Z' system ) | 185,0 | 215,0 | 20,9 | 24,3 |
compressor housing ( compact ) | 80,0 | 120,0 | 9,0 | 13,6 |
turbine housing | 185,0 | 215,0 | 20,9 | 24,3 |
backplate | 185,0 | 215,0 | 20,9 | 24,3 |
Shaft nut | ||||
Compressor wheels ( threaded ) | 110,0 | 140,0 | 12,5 | 15,8 |
Compressor wheels ( boreless ) | 110,0 | 140,0 | 12,5 | 15,8 |