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Old 03-15-2009, 11:47 AM   #1
leftho0k
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Default EJ-22t or 22B hg's

Does anyone have a PN. for the 22b's headgaskets? I know the 22b had doch heads and the (usdm) ej22t are soch heads however I am under the impression that the usdm ej22t is the same shortblock as the 22b. recently I have had the oppertunity to disassemble 3 ej22t engines. I knowtice apod disassembly that the factory head gastes are clearly marked from Fuji Heavy Industries as "EJ_22B" on the gasket. has anyone had the oppertunity to dissassemble a real 22b engine?
I want to get on the path to start putting together things to build a "mock" 22b engine.
things such as a twin scroll turbo setup, dohc heads, perfect (the best) headgastes you get the idea.
Can we come up with a 22b vin. so I can confuse the parts guys at the dealer?
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Old 03-15-2009, 11:53 AM   #2
leftho0k
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also I worked in parts for subaru and know that all the pn's are "soa" based. and soj number are jibberish to the soa database. I havent seen a 22b in person in the states but I have the impression the it is a DOT legal vehicle here and was sold for "on-road" use in the US. If someone has one chime in how you are getting your replacement parts here.
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Old 03-15-2009, 02:17 PM   #3
scrappydoo
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I think the only one in the states is owned by Subaru and is displayed at all the major auto shows.
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Old 03-16-2009, 09:42 AM   #4
Marnix
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I dismantled an original 22B engine recently to be rebuild and it had 1.4 mm thick metal head gaskets; pattern for coolant passages is the same as all DOHC heads and also the 2.2 turbo SOHC. Therefore, a USDM 2.2 turbo SOHC head gasket would match only it's a graphite gasket.

Oh, and the JDM partnumber for 22B head gaskets is 11044AA590.

The 22B heads are 100% identical to JDM STI Version IV; the USDM EJ22T block casting are not identical to the JDM EJ22G (ie. 22B) block casting; the 22B does/did not have oil squirters nor does/did it have the extra crank breather pipe that the USDM block does have.
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Old 03-16-2009, 10:36 AM   #5
leftho0k
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AWESOME!, that information is of great value to me, and Wow am I supprised to hear about the 22b not having oil squirters. Do you have a speculation as to why it didnt?
back to the hg's- if i understand the 22b gasket is the same as the 22t gasket with the exception to its composition. It is a multilayer metal gasket as supposed to a semimetalic composite.
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Old 03-16-2009, 10:51 AM   #6
leftho0k
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side note...
From an article about SEMA 2007
( http://www.rzoops.com/2007/11/08/bri...e-of-sema-2007 )
"This is the second Subaru 22B STi that has been officially imported and registered in the US. Considered among many to be the "holy grail" of Subarus, it was very nice of Subaru to bring this gem out."
then theres one here and I see NJ plates... ( http://www.superhonda.com/forum/f36/...2005-a-229902/ )
"but best of all, there was Subaru of America's Impreza 22b (on vista) that showed up. one of two 22b's in the united states. only 400 made in the world.
this is more rare in the US than the McLearen F1."
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Old 03-16-2009, 11:14 AM   #7
leftho0k
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they still sell for 80-90k though.... anyone know how much a kidney goes for?
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Old 03-16-2009, 12:49 PM   #8
Matt Monson
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Quote:
Originally Posted by Marnix View Post
The 22B heads are 100% identical to JDM STI Version IV; the USDM EJ22T block casting are not identical to the JDM EJ22G (ie. 22B) block casting; the 22B does/did not have oil squirters nor does/did it have the extra crank breather pipe that the USDM block does have.
Thank you for another confirmation on the squirters and the fact that it's a different casting. You don't know how many years I spent arguing with people around here and on Legacy Central trying to proove that it was different. It took finding a UK owner who was midrebuild that could confirm what I had been told by people at Subaru.
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