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Old 07-19-2003, 03:08 AM   #26
ciper
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Here is a great image comparing the 2.2 legacy turbo engine to the 2.5 sti engine, you can easily see which should be stronger. I just happened to be posting these in another forum


semi-closed deck (STI 2.5l)


fully closed deck (turbo legacy 2.2l)
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Old 07-19-2003, 01:49 PM   #27
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sorry, but thats cobbs blocks... thier 2.5 is a reinfoced deck a lot like our ej257 but witho out the nicer cobb internals. and that 2.2 is a ej20 closed and stroked no an ej22....

heres a normal ej25 open
http://www.freebmw.net/Share/CarsBoa...25/DCP_1204%20(Medium).JPG

heres an ej22
http://www.angelfire.com/md3/91turbo...j22Tblock1.jpg
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Old 07-19-2003, 06:54 PM   #28
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the early EJ20 blocks are closed deck like the 2.2 block in the link above. but you all probably already new that

Last edited by suberboy; 07-19-2003 at 07:25 PM.
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Old 07-21-2003, 03:32 PM   #29
omahasubaru
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I like how you all mention the USDM EJ22T & talk about de-stroking it when infact it is still 8:1 compression just like the USDM EJ20T... it just has larger bore pistons.

We need real picks, but here's my take.. the block of the USDM EJ22T is better, however any EJ20T or EJ25T heads will out flow the crap out of the EJ22T heads. Thats where there would be a big/noticable difference.
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Old 07-21-2003, 05:52 PM   #30
ciper
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totoherbs: Uh oh, looks like you caught me. I tried to trick everyone The images are for demonstration. They may be the cobb but the difference shown in the image is still applicable.


Here is your image of the open deck 2.5



And the example of the same




Again, here is your image of the ej22


And the example of the same



Maybe its just me, but those are similar enough for the conversation. Dont try to be a jerk okay? If your so freaking smart why not show me an image of the semi closed deck 2.5? You invited yourself to the conversation yet you posted something that doesnt help. The images are in response to "The EJ22T block IMO is inferior to the current semi-closed deck blocks." posted by another member. NO MENTION OF OPEN DECK 2.5l WAS MENTIONED.


omahasubaru: I agree.
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Old 07-21-2003, 11:14 PM   #31
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Sorry If I came off as a jerk... if there were any pics of a ej257 bock id of posted them but like I said they will look a lot like the cobb pics.... and sorry if you were so put off by my post didnt know you were sensitive.

Quote:
Here is a great image comparing the 2.2 legacy turbo engine to the 2.5 sti engine, you can easily see which should be stronger. I just happened to be posting these in another forum
No where do you say that thies pics are not in fact the real decks, but images you stole from cobb site and tryed to pass off as the real thing.... excuse me for trying to pass along some real information..... and as for

Quote:
You invited yourself to the conversation yet you posted something that doesnt help.
Ya. not the time or place for this... you want to continue with tripe like this PM me dont junk up the tread with it.

As for posting the open deck pics they show the difference... so some one new to the motors can see the what the big deal is.


Quote:
We need real picks, but here's my take.. the block of the USDM EJ22T is better, however any EJ20T or EJ25T heads will out flow the crap out of the EJ22T heads. Thats where there would be a big/noticable difference.
Ya my plan is a ej22T with ver. 7 heads. But I have heard of people just stock blocks and heads shifting at 9k with 20+ lbs. stealthwrx is running a 2.2 stroked and bored to a real 2.5(2,550 cc vs 2470 I think thoes number are right)
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Old 07-22-2003, 03:45 PM   #32
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Maybe it wasnt clear in my post, the intention was to show the difference between Semi closed and Fully closed. The name in paranthesis was so you could match them up.

totoherbs: Sorry for getting angry so fast. I took your post the wrong way.
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Old 07-22-2003, 11:38 PM   #33
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cool how the "open" deck 2.5 still has some support for the cylinder walls
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Old 07-02-2010, 02:29 PM   #34
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22b runs a 75mm stroke, same a s 2.0. 2.5 is much larger

Quote:
Originally Posted by peepshow View Post
Also, why would you need to de-stroke the motor to get it to rev? IIRC, the 22B STi had an 8K RPM redline, just like the other STi cars. You would simply need STi heads or upgraded valvetrain in WRX heads.

I'm sure that you could safely spin an STi motor to 8500 RPM with an aftermarket ECU. Cobb Tuning would be a good place to start asking questions like that.
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Old 07-02-2010, 10:44 PM   #35
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mad old thread bro
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Old 07-02-2010, 11:55 PM   #36
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although this thread does have some great debating =)
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Old 07-03-2010, 12:06 AM   #37
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Full of a bunch of miss information ... Bro
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Old 07-03-2010, 07:11 AM   #38
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Quote:
Originally Posted by XT6Wagon View Post
I'm quite sure that the JDM legacy turbos had a closed deck block. Where do you think the EJ22T block CAME FROM?????? All Subaru "performance" motors were closed deck back then. Even the EG-33
EG33 was not closed.
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Old 07-05-2010, 09:39 PM   #39
FuJi K
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It's ok... we all learn. I have revised 22B motor!!!!

'06 WRX swap
'06 WRX AVCS heads
EJ22T SB w/ oil sqirters
WRX new crank double cross drill
Eagle rods & 9.0:1CP pistons

currently TD06H 20G SL2 8cm 38mm Tial Ver2 EWG with modded dark blue injectors on E85. Faster than Porsche 911 Turbo!
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