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Old 08-03-2014, 05:14 PM   #1
contreras2323
Scooby Newbie
 
Member#: 268136
Join Date: Dec 2010
Chapter/Region: TXIC
Location: Lewisville,TX
Vehicle:
2003 WRX
Blue

Default EJ205 build?

I have an ej205 with a bad ringland, and I was just wondering if it is even worth it doing a re-build. I have a set of 100mm pistons, rings, bearings, H-beam rods and an STI crankshaft. If a re-build does happen, I am aware that the ej205 would have to be bored out and sleeved. My question is. Is all of that worth it, or is it just better to get a ej257 and just build that.

Thank you all.
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Old 08-03-2014, 11:37 PM   #2
2000subie
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Member#: 207638
Join Date: Apr 2009
Location: kansas
Vehicle:
2004 stage 3 wrx
WRB

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If your going to have the block sleeved to accept the 100mm pistons. Then it doesn't mater what cases you use, a sleeved 205 is as stout as sleeved 257.
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Old 08-04-2014, 02:14 AM   #3
mod maniac
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Member#: 300551
Join Date: Nov 2011
Chapter/Region: SCIC
Location: mariposa ca.
Vehicle:
2&4 fxt & fxt sti
Fullers Garage

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I like the stroked 205 the best.
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Old 08-08-2014, 01:45 PM   #4
contreras2323
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Member#: 268136
Join Date: Dec 2010
Chapter/Region: TXIC
Location: Lewisville,TX
Vehicle:
2003 WRX
Blue

Default

Thank you all for your comments, I am actually really looking forward to this built. I will post updates and progress later on.
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Old 08-08-2014, 02:06 PM   #5
Element Tuning
NASIOC Vendor
 
Member#: 54918
Join Date: Feb 2004
Chapter/Region: MAIC
Location: Gaithersburg, MD
Vehicle:
673 WHP Element
Tuning Pro Comp Engine

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The stock sleeves are so small to begin with that by boring them out to 100mm it severely weakens the cylinder walls. Sleeves are also relatively unreliable, especially for a DD, and you run in to the risk of dropping a sleeve or having cooling issues.

On the engines we build for a customer we will not bore out the cylinder to accommodate over-sized pistons. We do have a proprietary process that we developed that does not utilize the need of sleeves to reinforce the OEM block. This can be done to a used block but only if the stock sleeve can be reused (as stated before, the more sleeve you have, the more reliable and more power it can handle). If not we will start with brand new OEM case halves from Subaru. On our EJ25x builds this process can give you an engine that can handle cylinder pressures in excess of 700-800whp.

Do you have a power goal in mind that you're trying to reach? Also, what will you be using the WRX for?


-Andrew
Element Tuning
www.elementtuning.com
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