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Old 08-08-2002, 01:46 PM   #1
Scooby Specialist
Member#: 4572
Join Date: Mar 2001
Location: Seattle,Washington,USA
2015 WRX

Default 2.5 liter STI

OK, OK, I know everyone says the STI won't have a 2.5 liter motor. But word has it (this is the rumor section isn't it?) that we will get a turbo 2.5 legacy. If that is true, the 2.5 tooling would available, the motor would be certified and ready to go. Why not put it in the STI? I mean, just tuning it like the 2 liter would give close to 300 hp, with gobs of torque(a chip would easily yield 350hp!) . Go ahead, flame me, I can take it.......
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Old 08-08-2002, 01:48 PM   #2
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Join Date: Jul 2001
Location: Houston
2010 MB E63
Black on Silver


IMHO, the simple answer is because the 2.5T Legacy rumor is untrue.

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Old 08-08-2002, 02:14 PM   #3
Member#: 1904
Join Date: Jul 2000
Chapter/Region: TXIC
Location: Austin, TX
2017 Impreza Sport
E36 M3/4/5


the turboed Legacy in Japan is a 2.0L turbo. If we get it here in a couple years, it will also be a 2.0L turbo.
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Old 08-08-2002, 04:12 PM   #4
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98RS w/ EJ257/Dom
2014 Tesla Model S P85


If you really want a 2.5L motor, it's not that hard to build one. Buy a phase II EJ25, close the deck a bit, o-ring the heads replace the pistons and rods with something more appropriate to boost and you've got the potential for really huge power.
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Old 08-08-2002, 11:38 PM   #5
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Join Date: Nov 2000
Chapter/Region: MWSOC
Location: Rochester, MI, USA
2000 Impreza 2.5RS
2005 Impreza WRX STi


The STi won't get a 2.5 for many reasons, one of which is the displacement limit of 2.0 for rally.

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