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Old 12-01-2003, 02:36 PM   #1
RedP1
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Default closing the deck

Check this site out. www.cgperformance.com

The guy closes the deck on USDM NA EJ25 adds forged parts in internal and can build crazy high HP turbo charged EJ25's.
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Old 12-01-2003, 03:13 PM   #2
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Very Interesting,

I never knew the difference until now...

Luckily I own an already closed deck EJ22T and have a spare one just in case
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Old 12-01-2003, 06:17 PM   #3
Matt Monson
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Cobb's been doing that for years. That's what a stage III Cobb bottom end is...Same thing you find in Conebasher.
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Old 12-01-2003, 07:02 PM   #4
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there are a few guys that do this.
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Old 12-31-2003, 05:51 AM   #5
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Quote:
Originally posted by Matt Monson
Cobb's been doing that for years. That's what a stage III Cobb bottom end is...Same thing you find in Conebasher.
even longer with the Honda people
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Old 01-13-2004, 05:44 PM   #6
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you could also use semi-closed deck setup

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Old 01-13-2004, 09:53 PM   #7
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How much psi can you run on a ej25 with a closed deck, new pistons, and rods?
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Old 01-14-2004, 09:23 PM   #8
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probably a lot if you get good tuning and fueling and a big turbo

Speed cost money, how fast you want to go ?
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Old 01-14-2004, 09:28 PM   #9
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Quote:
Originally posted by morgie
probably a lot if you get good tuning and fueling and a big turbo

Speed cost money, how fast you want to go ?
I was just doing research.
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Old 01-15-2004, 03:08 PM   #10
Matt Monson
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http://cobbtuning.com/impreza/engineblock3.html

On a Cobb block they claim 2 bar (30psi) boost making more than 600hp...
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Old 01-22-2004, 11:18 PM   #11
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they say 30, because its resleeved. Closed deck and resleeving are two different things. Do both, and man, talk about bullet proof
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Old 01-23-2004, 10:08 AM   #12
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Quote:
Originally posted by kaos200
talk about bullet proof
thats what i like to hear.
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Old 02-11-2004, 11:54 PM   #13
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If sleeving and closed deck makes it bulletproof, then many of us already have bulletproof blocks.
The EJ22T is fully closed deck and has sleeves cast into the block (not machined and slid in). Its stronger than these aftermarket 2.5l built blocks.

Drift_King: Where you being funny or serious?
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Old 02-12-2004, 10:11 AM   #14
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I hope he was trying to be funny, because if not...well, you know.
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Old 02-12-2004, 08:51 PM   #15
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Quote:
Originally posted by Drift_King
bnullet proof ha

closed deck is a gimik notin more nothi less

ps and its for loserz
Quote:
Originally posted by ciper
Drift_King: Where you being funny or serious?
for someone who says "closed deck is for loserZ" how do you take them seriously?
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Old 02-12-2004, 08:52 PM   #16
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Quote:
Originally posted by ciper
If sleeving and closed deck makes it bulletproof, then many of us already have bulletproof blocks.
The EJ22T is fully closed deck and has sleeves cast into the block (not machined and slid in). Its stronger than these aftermarket 2.5l built blocks.

by sleeving I mean aftermarket thick cast Iron sleeves. Not the thinner oem units.
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Old 02-12-2004, 09:53 PM   #17
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kaos200: Its common for people to speak worse than that online, why wouldnt I?

"aftermarket thick cast Iron sleeves. Not the thinner oem units."

That are still machined/pressed into the block after the fact. Other engines have them press fit. The EJ22T are cast directly into the block. You should check the thickness of the EJ22T sleaves, I swear it was 6mm. I was this close to sleaving my block when I found they would be weaker in some ways to the stock units (like the ability to twist and warp).
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Old 02-13-2004, 12:24 AM   #18
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Quote:
Originally posted by ciper
kaos200: Its common for people to speak worse than that online, why wouldnt I?

"aftermarket thick cast Iron sleeves. Not the thinner oem units."

That are still machined/pressed into the block after the fact. Other engines have them press fit. The EJ22T are cast directly into the block. You should check the thickness of the EJ22T sleaves, I swear it was 6mm. I was this close to sleaving my block when I found they would be weaker in some ways to the stock units (like the ability to twist and warp).
if they really are that thick and its not the iron AND ally part thats 6mm, then thats great
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Old 02-14-2004, 01:52 AM   #19
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The ej22s have the thickest liners... but a good solid liner like axis or ispeed uses will hold better. I dont think anyone has ever ovaled a ej22, I think you would blow a head gasket off before that, so its a silly point to bicker over....

The ej257 has one of the thinest liners of any subaru motor...
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Old 02-14-2004, 10:05 PM   #20
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personally I am not worried about the sleeve slipping. I plan on overboring my EJ22 having it resleeved. As long as it is done by someone who knows how to build a race engine there shouldn't be any issue in my mind...
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Old 02-15-2004, 01:16 AM   #21
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Quote:
Originally posted by Matt Monson
personally I am not worried about the sleeve slipping. I plan on overboring my EJ22 having it resleeved. As long as it is done by someone who knows how to build a race engine there shouldn't be any issue in my mind...
Have you found a place yet?
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Old 02-29-2004, 12:40 AM   #22
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Quote:
Originally posted by QuickDrive
Very Interesting,

I never knew the difference until now...
Me neither. Learn somethin new everyday.
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Old 03-22-2004, 07:59 PM   #23
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Great info. The EJ22T gets more appealing the more I read about it.
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Old 03-23-2004, 08:47 AM   #24
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Quote:
Originally posted by neversatisfied
Great info. The EJ22T gets more appealing the more I read about it.
http://forums.nasioc.com/forums/show...highlight=ej22
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Old 03-25-2004, 04:30 PM   #25
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Quote:
Originally posted by neversatisfied
Great info. The EJ22T gets more appealing the more I read about it.

For even more info, read this.
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