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Old 07-13-2008, 07:19 PM   #1
taossti
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Member#: 145445
Join Date: Apr 2007
Location: Houston
Vehicle:
05 Time Attack STi

Default Use a wrx case or STi case if sleeving??

Just as the title states: use a WRX case or an STi case if your sleeving the motor anyway?
Not sure if there were any other reasons for staying with the STi case.
Power will be around 700 at the crank and yes, I will be using good parts too.

Thanks in advance.
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Old 07-13-2008, 07:57 PM   #2
Whiteghost 2.5
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The STi case is a semi closed deck and the wrx is open. The sti has a couple braces that connect the cyls to the outside of the case. Unless you are completely closing the deck of the WRX block the STi would be the ideal block to sleeve.

Josh
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Old 07-13-2008, 08:55 PM   #3
sti.2005.blk
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build sheet?
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Old 07-13-2008, 10:41 PM   #4
taossti
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Whiteghost - You are correct. I shamefully admit that I did not notice or ignored the braces. That is a valid point and thus means I'll just use a STi case.

Build sheet- parts I already have: Darton sleeves, CP pistons, STi case, worked STi crank, various heads from Spec C to STi, and STi cams. parts needed are rods.

Thanks for the help.
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Old 07-13-2008, 11:50 PM   #5
wrxwagon253
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B5 S4 w/ Stg.3 RS6 kit

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Arp fasteners and some Acl race bearings are also something you might wanna do. Why not just sleeve a Ej22t if your going for 700chp? That closed deck can take alot of abuse.
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Old 07-16-2008, 12:24 PM   #6
charliew
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amen brother wagon, lots more head sealing surface.
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Old 07-16-2008, 12:44 PM   #7
Homemade WRX
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if you already have the sleeves, you have to use them with which ever block you chose...
which darton sleeves did you buy?

closed deck isn't needed for 700whp much less 700bhp...really all the EJ22t's are getting taken up by builds that require them...
save the money, do a sleeved STi block...the only reason I would see to sleeve an EJ20 block is if someone was going to build an extremely high rpm engine.
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