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EJ25 block with EJ20 heads?

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Old 05-26-2007 | 01:40 PM
  #1  
Friedenreich686's Avatar
Friedenreich686
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Joined: Jul 2005
Posts: 63
From: Scottsdale, AZ
Car Info: 2005 WRX wagon
EJ25 block with EJ20 heads?
I heard that with an ej25 block and nicely ported wrx heads produces more torque and the same amount or horse power as the the regular ej25 would is this true?
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Old 05-31-2007 | 07:51 PM
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Friedenreich686's Avatar
Friedenreich686
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Joined: Jul 2005
Posts: 63
From: Scottsdale, AZ
Car Info: 2005 WRX wagon
so i see lots of people are veiwing this thread has anyone hever heard of this being done? is it even really that possible or efficant? any opinions would be greatly appreciated. thanks.
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Old 05-31-2007 | 11:20 PM
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knight1833
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Joined: Mar 2004
Posts: 207
From: Arizona
Car Info: 98/05 RSTi
i have an ej25 block from an STi with my stock ej20 heads, vishnu tbe, uppipe, aps intake and turbo inlet, vf34, pinks, ecutek, STi 6mt, tgv deletes, and have 252whp and 262wtq
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Old 06-01-2007 | 02:05 AM
  #4  
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dub81
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From: Seibukan Dojo /HI. Kendo Federation
Car Info: Seishin-teki kyōkō/Intonjutsu/Shinobi-ir
So when speaking about the ej25 block, is it the 2.5rs block or the 2.5T block off the 04-05 STi?? This sounds interesting..
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Old 06-01-2007 | 05:00 PM
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Chip18
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Joined: Mar 2005
Posts: 98
From: Atco, NJ
I also have a hybrid motor. STi short block WRX stock heads. VF34, APS 3" tbe, pinks, up-pipe, STi IC, cobb AP, etc. I am putting down 278AWHP/325AWTQ and an SMC meth kit is being added June 9th.
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