What is STi V7, V8 and V9? - Subaru WRX Forum
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#1 Old 03-02-2008, 02:55 PM
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What is STi V7, V8 and V9?

Hi Guys,

I am new to Subaru. I came a cross several threads with descriptions include terms like Sti V7, Sti V8 or Sti V9. My question is what is the difference in version 7, 8 or 9 in the sti and what years are they associated to?


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#2 Old 03-02-2008, 03:33 PM
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different versions i assume
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#3 Old 03-02-2008, 04:01 PM
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Yes they are different version. There are other STIs other than the 04-05 and 06-07 that came to the states. Unfortunately I cant tell you which one is which. Try either google or wikepedia. Very good places to start.

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#4 Old 03-02-2008, 08:46 PM
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Would those version associated to more Japaneses WRX?
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#5 Old 03-02-2008, 10:01 PM
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that is exactly what they refer to.

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#6 Old 03-03-2008, 12:05 PM
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they're JDM engine models of the EJ20. The EJ20 we got in the states is similar to the EJ20v6 which was used in 1998-2001 in Japan (years approx out of my ass). The EJ25 in the USDM 06+ wrx and the USDM STi doesn't line up well with any JDM model.

The v7 was the "bugeye" years in japan and the v8 was the "blobeye" years in japan. I lost track of JDM engine lines at that point so I dun know what a v9 corresponds to but it's a safe bet it was the pig nose years.

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