T U R B O F R A M E D I M E N S I O N SE F R S E R I E S
EFR 6258-A 225 - 450 HP Turbo
50.8mm(2.00)
92mm(3.62)
147.3mm(5.79)
116.6mm(4.56)
63.5mm(2.50)
Oil inlet fitting
Oil Drain 3/8 NPT
Oil Drain capscrew holes
40mm(1.57)
73mm(2.87)
179150
- 4AN Male
M8X1.25 (38mm bolt spacing)
50.8mm(2.00)
92mm(3.62)
147.3mm(5.79)
116.6mm(4.56)
63.5mm(2.50)
Oil inlet fitting
Oil Drain 3/8 NPT
Oil Drain capscrew holes
40mm(1.57)
73mm(2.87)
179150
- 4AN Male
M8X1.25 (38mm bolt spacing)
50.8mm(2.00)
92mm(3.62)
147.3mm(5.79)
116.6mm(4.56)
63.5mm(2.50)
Oil inlet fitting
Oil Drain 3/8 NPT
Oil Drain capscrew holes
40mm(1.57)
73mm(2.87)
179150
- 4AN Male
M8X1.25 (38mm bolt spacing)
Turbo Part #
TurboFrame Size
SuperCore Part #
Comp. Wheel Outer Dia.
(mm)
Comp. Wheel Inducer
Dia.
Turbine Wheel
Outer Dia.TurboA/R
Inlet FlangeConfig.
179150 B1 179140 62 49 58 .64 T25
Turbine Housing Part Number A/R Inlet Flange
ShapeHousing Config.
11581009006 0.64 T25 Single Scroll WG
Key Turbo Features
• Gamma-Ti turbine wheel • Dual ceramic ball bearing
assembly with metal cage • Large internal wastegate• Standard T25 mounting flange
Not Included withTurbo Assemblies:
• Speed sensor• Turbine outlet V-Band• Turbine inlet gasket• Oil drain gasket or drain port fitting
50.3
94.5
124.0
147.6
167.9 rpm
0.76
0.75
0.74
0.73
0.72
0.70.68
0.650.6
0.6
1.0
1.4
1.8
2.2
2.6
3.0
3.4
3.8
0 5 10 16 21 26 31 37 42 48 53 58 64Corrected Mass Flow (lbs/min)
Pres
sure
Rat
ioPr
essu
re R
atio
Compressor Flow (lbs/min)
T U R B I N E H O U S I N G O P T I O N S S U P E R C O R E C O N F I G U R AT I O N
The following parts are not included as part of the super-core assembly: turbine housing, clamp plate hardware, wastegate parts.
C O M P R E S S O R M A P
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