Tomei ARMS M7960 Turbo - Subaru Models (inc. 2002-2007 WRX / 2004+ STI)
Manufacturer Part # 173023
Bundle Savings:MSRP: $1,490.00
As low as $8,499.21
Includes: Turbo, Water Lines, Oil Return Lines. Gaskets, and Bolts.
Compressor Wheel: 60 Trim, 52.6mm Inlet Diameter, 68.0mm Exit Diameter
Turbine Wheel: 78.4 Trim, 61.0mm Inlet Diameter, 54mm Exit Diameter.
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2 years ago
This Turbo is a work of art, every thing is included and install is actually quite enjoyable. good instructions and good hardware. the only frustrating part is fitting the 90 degree bend onto the bottom of the intercooler. as far as performance goes it all comes down to how you are tuning it. my car is a 2006 JDM STI forester and it has the EJ255 i am using a Link G4+ ecu. the boost threshold is about 300rpm later than the standard turbo boost comes on smooth and hard and flows plenty of air all the way to the redline, definitely a pleasure to drive. Tomei have really got the power range perfect for these engines.
EXCELLENT Stock-location turbo!
Mike H. 4 years ago
Tomei quality is second to none! For bigger a stock-location turbo the 7960 packs a punch across the board all the way to redline! No lag! I also have a medley supporting mods- EL headers/up-pipe, full exhaust, TGV's, fuel pump, fuel kit, 1000cc injectors, EBCS, air/oil separator, bigger TMIC, pro-tune….HIGHLY recommend it if you cannot really afford a rotated kit.
Tomei Arms M7960 Turbo
guest55c52785caae52f5098b6bb7 5 years ago
Been running this turbo for over a year now, 2007 WRX Limited, this turbo is very high quality and pulls hard from the mid range on up. My torque number is slightly lower than whp numbers, but I am fine with that. Other than that, this is a fantastic all around powerful turbo.
Updated review - Really not digging this turbo.
Purist 6 years ago
I made a few changes to my configuration and this turbo is doing much better. Changes: - head gaskets, from 1.2mm to .78mm, now around 8.5:1 CR - TMIC, Process West - Turbo back exhaust (this shouldn't make much difference After another full tune I made 332WHP/337WTQ on a different dyno from my origional tune. However, I did get a baseling first before the retune on the new dyno, which ended up at 278WHP/265WTQ, so for the most part, I gained 54WHP/72WTQ and mostly due to the compression change. The bad, I still don't get full torque until 4500RPM, which is somewhat of a letdown considering an nice TD06/20G should be doing the same thing 700RPMs sooner with a larger compressor wheel than this turbo. It's a BLAST above 4500 RPMs, but that's not the power range I bought this turbo for. I give this review a 4 to offset the 2 I gave before to even out at a 3.
QUESTIONS & ANSWERS
Q: Tomei 7960 in gc8 Connor 2 months agoAnswer
Previously mentioned was that to put it into a gc8 it would require an external wastegate. What are the conflicts with the internal wastegate and the gc8?
A: The GC8 is a JDM vehicle and we cannot confirm fitment for it.
Luis L. 4 days ago
Q: hotside sammyajohnston81096 3 months agoAnswer
would this turbos hotside be comparable to an 8cm?
A: This turbo hotside actually uses a 61mm turbine wheel so it would be closer to a 6cm.
Riley D. 2 months ago
Q: Compressor map and peak effeciency 554P 1 year agoAnswer
Have Tomei released a compressor map for this turbo? What is this turbo designed to run as max boost or at what boost range is it most effecient? Would the STI 565cc injectors be enough for this turbo on a 2.0L?
A: The compressor map can be found below along with information about the turbo. The OEM STI injectors are not going to flow enough fuel for this turbo. https://www.tomeiusa.com/_2003web-catalogue/000_arms/product_arms_m7960-e.html
Jared A. 1 year ago
Q: Tomei ARMS M7960 fitted to Mitsubishi Evo VI 2.3 Stroker Engine ruthyb53 1 year agoAnswer
My newly fitted M7960 turbo has failed due to oil starvation - . Do you supply a larger diameter high flow oil feed pipe for this application?
A: Sorry but we do not have any additional hardware for this turbo that will allow more oil flow.
Chris W. 1 year ago