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Old 02-23-2006, 02:33 AM   #1
SilverWRX500
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Member#: 106567
Join Date: Feb 2006
Location: Burlington VT
Vehicle:
04 EJ207 20g
Silver

Default WRX to STI on 5speed

Planning on swapping the 2.0 motor for the 2.5, with the 5 speed. wondering if the motor swap has any catches, and if there are any tips that would be useful. ( going for 500whp, and got the money) help is very much appreciated
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Old 02-23-2006, 03:03 AM   #2
SketchINoc
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Member#: 87370
Join Date: May 2005
Location: So Cal
Vehicle:
2005 WRX,Soon to be
EVO9-94 toyota4x4 project

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if you are going for 500whp, you should get a tuner block, like the crawford s3l. The stock usdm sti 2.5 liter will not hold that much power.
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Old 02-23-2006, 05:15 AM   #3
Skully
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Member#: 48990
Join Date: Nov 2003
Location: Sweetwater Tennessee
Vehicle:
98 Impreza RS
RBP

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stock block will hold 500whp easily. Longevity is still in question as the blocks havent been pushed hard for very long. But, i dont see why it wouldnt last as long as you didnt beat on it 100% of the time its running.

-Thomas
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Old 02-23-2006, 05:54 AM   #4
SilverWRX500
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Location: Burlington VT
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04 EJ207 20g
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I was going to build the block, havent looked into what set up yet, but i hear the pistons are the weakest link. and i plan on running a GT 35R.
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Old 02-23-2006, 10:24 AM   #5
scoogan
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Join Date: Apr 2005
Chapter/Region: MAIC
Location: York, PA
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Just buy a reconditioned crawford block with pistons for a whooping $1700 and your set
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