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Old 10-02-2007, 05:08 PM   #1
DerFahrer
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Join Date: Dec 2002
Chapter/Region: South East
Location: Orlando, FL
Vehicle:
2000 Legacy B4 RSK
*Formerly subyluvr2212*

Default Difference between EJ205 and EJ25D cam sprockets

Need help. I'm looking for EJ205 cam sprockets, and I have managed to score 3 of 4 DOHC cam sprockets, but I'm not sure whether they're EJ205 cam sprockets or EJ25D cam sprockets.

Any Subaru engine nerds out there know what the difference is so I can tell what I have?

TIA!
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Old 10-03-2007, 07:12 PM   #2
WJM
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Interchanging the bolts wont work...I tried. The 25D is too short, the 205 is too long.

The 205 has a guide pin on the cam that the sprocket slides over.
The 25D has slots in the cams and the sprocket has the guide pin in it.
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Old 10-04-2007, 10:47 PM   #3
DerFahrer
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Thanks Will.

That is both good news and bad news.

At least now I know that the sprockets I have are 25D sprockets, so I don't have to guess.

But that also means my heads are 25D heads I thought they were WRX heads.

Looks like I need to study up better on internal Subaru engine differences
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Old 10-05-2007, 07:46 AM   #4
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which 25D heads are they? MT 1996 heads? AT 1996 Heads? or are they 1997~1999 heads?

If they are 1996 heads...I'm interested. I want to see if the MT 1996 heads have shims. The AT 1996 heads have HVLA's.
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Old 10-05-2007, 08:43 PM   #5
DerFahrer
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*Formerly subyluvr2212*

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*shrug* No idea. How can I tell?
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