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Old 02-22-2001, 10:27 AM   #1
Spectre23
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Member#: 311
Join Date: Sep 1999
Chapter/Region: RMIC
Location: Murray, Ut, USA
Vehicle:
2013 STi
CBS

Post IHI turbo size

Does anyone have a reference for sizing an IHI turbo? I was told the 2.2 Legacy turbo had a RHB52. I have in my posession a RHB7. I am looking for flange size difference and also frame size difference. Would this make a good upgrade on that car?
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Old 02-22-2001, 02:50 PM   #2
Jay_UK
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Location: Derby, Derbyshire, England
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Hi guys,

The early Legacys use a different turbo arrangement to the WRX.

The WRX uses a Mitsubishi turbo.. TD04 normally...

Only the STI's now use the IHI VF range.

The RHB, RHE, RHF notation covers many models of turbo, it basically denotes the design.. bushed, roller, and the frame type.

J.

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Old 02-23-2001, 12:18 AM   #3
stimpy
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You just have turbo parts coming out your ears or what?

As far as I know, the IHI turbos for the WRX (vf series) went opposite of what you would think: smaller number = larger turbo. I don't know about the RH series.
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Old 02-23-2001, 12:26 AM   #4
8Complex

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This is definitely a question for Jay_UK.
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Old 02-23-2001, 12:31 AM   #5
stimpy
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...Or Imprezer.

Spectre, you think this will become a reality soon or are you just checking possibilities?

I'd be glad to help when you do it.
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Old 02-23-2001, 12:49 AM   #6
Spectre23
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I doubt that this is smaller than the one one the 2.2T. If so, the one on there is HUGE! I beleive this was originally purchased for a diesel pick-up truck. And I think it may be a ball bearing turbo as well. I will check on that tomorrow. Maybe it was decided that it was too small. I don't know. It still looks like a good size for say a 400 HP engine. Too small for much more power than that I think.

As for parts coming out my ears, that is what happens when your parents own a turbo system company.
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Old 02-23-2001, 09:26 PM   #7
XT6Wagon
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None of the diesel application IHI's I have seen are BB.

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Old 02-24-2001, 04:06 AM   #8
N/A
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Not to go off track or anything but my boss has a T51S with 0 time on the clock for $1,000 US.
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