Engine/Power - EJ25T (STI and 2006+ WRX) Discussions about the USDM 2006+ WRX and WRX STi 2.5 liter turbo flat-four.

engine question.....intellectualize me!

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Old Nov 14, 2005 | 11:36 PM
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Question engine question.....intellectualize me!

um...sti engines ...i'm not sure if they are sohc or dohc? anyone have engine lay out?

sorry...a little embarrassed! but that's why i have you guys!
Old Nov 15, 2005 | 12:32 AM
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DOHC. There are 2 cams per cylinder bank.
Old Nov 15, 2005 | 03:25 PM
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sweet....anyone have a picture of the engine? like cross-cut picture.....
Old Dec 3, 2005 | 03:38 PM
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I hear a guy named Google does.
Old Dec 3, 2005 | 08:10 PM
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^^^smart ***.
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Old Dec 5, 2005 | 07:50 PM
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thanks....
Old Dec 28, 2005 | 08:32 AM
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WRX are "boxer" engines... they're not DOHC nor SOHC cuz their not "over head cams" as in "OHC"
Old Dec 28, 2005 | 08:37 AM
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Originally Posted by frisco-wrx-dude
WRX are "boxer" engines... they're not DOHC nor SOHC cuz their not "over head cams" as in "OHC"
The cams are overhead of the pistons just like in an inline or V type engine, it's just that the engine is laid out horizontally (which is what the "boxer" refers to).

Even Subaru calls it DOHC: http://www.subaru.com/shop/overview....mmand=overview
Old Dec 28, 2005 | 10:03 AM
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Originally Posted by Egan
The cams are overhead of the pistons just like in an inline or V type engine, it's just that the engine is laid out horizontally (which is what the "boxer" refers to).

Even Subaru calls it DOHC: http://www.subaru.com/shop/overview....mmand=overview
pwnt.
Old Dec 29, 2005 | 03:05 PM
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Originally Posted by Egan
The cams are overhead of the pistons just like in an inline or V type engine, it's just that the engine is laid out horizontally (which is what the "boxer" refers to).

Even Subaru calls it DOHC: http://www.subaru.com/shop/overview....mmand=overview
Haha!
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