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VF37 (thrust bearing)
Enter the age of twin scroll IHI turbos.
Same compressor housing as VF30/34, however has a new twin scroll P25 exhaust housing that provides slightly better top end output due to reduced exhaust pulse interference. Twin scroll also provides better spool up for improved low down response over the VF30/34. This turbo is good for
400HP and used on JDM STI from 2003 onwards.
ihi - RHF5 VF37 VE440027
TD05HR-16G6. This is a new upgrade choice for the DSM cars. This turbo is used in the Mitsubishi Lancer Evolution IV to VIII. I think this same wheel is used in the Evo III (but cast in mirror image?), which uses a standard TD05H-7cm2 turbine housing. The TD05HR turbine rotates reverse (the "R" in the designation) of the standard TD05H and has a twin-scroll design. The compressor inducer is a little larger (0.01") than the "big" 16G. So is this the "biggest" 16G? Max flow is better than the 16G "large wheel". Efficiency is much better than the 16G "large wheel". At 5000 to 8000 RPM and above, this turbo offers very high boost levels and so very high flow levels. Real 530 cfm effective VAF should be attainable with this compressor. A different exhaust manifold is required for the TD05H turbine.
....................................Compressor .............................................................. Turbine
Turbo ........... Wheel..........Inducer...........Exducer.........Trim......... Housing......... Wheel .........Inducer.........Exducer Housing
RHF5 F5 1.812 2.375 58 RHF5 F5 1.875 2.065 RHF5-6cm2
TD05H-16G 16G6 1.902 2.680 50 TD05H-16G TD05H 1.93 2.20 TD05H-7cm2
Name Min CFM Rated CFM Practical Max CFMChokeFlow Source Comments
IHI RHF5 50 382 363 ?415? RHF5 DNP
- ball bearing center section
- kit has new manifolds and exhaust housings
- exhaust housings eliminate pre-cats, keep O2 mounts
- manifolds fit TD04L (3-bolt), TD05H (3-bolt), and RHF turbos (not stock 9B housings though)
- IC pipes need to be modified
TD05H-16G6-7cm2 150 580 530 625 raw TD05H-18G MHI
TD05H-7cm2 exhaust housing it is used on the Lancer Evolution . With the TD05HR twin-scroll housing it is available on Evo 4 to 8
- Compressor wheel is aluminum with thinner blades
than standard 16G
- Turbine wheel is Inconel (steel alloy)
http://www.stealth316.com/images/td05hr-16g6-raw.gif
вот 10.5
http://tekhnoring.ru/img/lab/big//lancerVIII_graf_b.jpg