TOLERANCE SPECIFICATIONS
PART	INCHES MIN.               MAX		MILLIMETERS MIN.             MAX.
COMPRESSOR WHEEL
- Bore diameter	.2498	.2501	6,345	6,353
BACKPLATE
- Piston ring bore diameter	.4995	.5005	12,687	12,713
BEARING HOUSING
- Bearing bore diameter	.6220	.6223	15,799	15,806
- Piston ring bore diameter ( step )	.709	.711	18,010	18,060
- Piston ring bore diameter ( smoth )	.699	.701	17,750	17,810
TURBINE WHEEL
- Journal diameter	.3997	.4000	10,152	10,160
- Seal hub diameter	.679	.684	17,250	17,370
- Piston ring groove diameter	.567	.572	14,400	14,530
- Piston ring groove width	.0645	.0685	1,638	1,740
- Excentricity		.0005		0,013
THRUST COLLAR
- Total lenght	.722	.724	18,340	18,390
- Bore diameter	.2501	.2505	6,353	6,363
- Thrust bearing groove width	.1740	.1748	4,420	4,440
- Thrust bearing groove diameter	.370	.380	9,400	9,650
- Piston ring groove width	.638	.653	1,621	1,659
- Piston ring groove diameter	.405	.410	10,290	10,410
- Paralelismo entre planos		.0001		0,003
CLEARANCE
- Radial bearing clearance	.0030	.0065	0,076	0,165
- Axial end play	.0005	.0040	0,025	0,102
TORQUE SPECIFICATIONS
PART	Pounds x Inch MIN.        MAX		Newton x Meters MIN.          MAX.
BOLTS
- backplate	75	90	8,5	10,2
- turbine housing   (TBO303,09)	170	185	19,2	20,9
- turbine housing   (rest of models)	164	181	18,5	20,5
- compressor housing	145	165	16,4	18,6
SHAFT NUT
1 Tighten to  2 Plus an aditional turn of 125	18	20	2,0	2,3
NUTS
- elbow assembly    (TBO301,03,04,05,08,09,15,17)	170	185	19,2	20,9
- elbow assembly   (TBO302,07)	164	181	18,5	20,5
- elbow assembly   (TBO312,13)	220	240	24,9	27,1
- elbow assembly   (TBO325)	133	151	15,0	17,0