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04-14-2009, 11:08 AM | #1 |
Scooby Specialist
Member#: 172359
Join Date: Feb 2008
Chapter/Region:
MAIC
Location: virginia
Vehicle:2005 STi PSM |
CP pistons in a ej255
Ok so im undergoing my hybrid build and have all the supporting mods. I just have one main question.
I have a brand new oem 05 sti ej255 block and orginially wasnt planning on messing internally and have a conservitive tune with many supporting mods. However would like to go more power in the future and found great deal on CP forged pistons standard bore. Im going to get new piston rings but would like to know can these just drop right in, in an untouched block? I may add these came out of a crawford s2 block and IAG was holding them for the seller. So they are in great condition. Only helpful input thanks ahead of time
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04-14-2009, 01:41 PM | #2 |
Scooby Specialist
Member#: 172359
Join Date: Feb 2008
Chapter/Region:
MAIC
Location: virginia
Vehicle:2005 STi PSM |
anyone?
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04-14-2009, 05:46 PM | #3 |
Scooby Newbie
Member#: 189490
Join Date: Sep 2008
Chapter/Region:
MAIC
Location: Baltimore, MD
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theoretically speaking yes. But no one here will be able to say for sure, unless they take a measurements.
there is nothing wrong with used pistons measure the piston to cylinder wall clearance, check the condition of the hone, gap the new rings, drop that pistons in. good luck with the build |
04-14-2009, 08:54 PM | #4 |
Scooby Specialist
Member#: 118239
Join Date: Jun 2006
Chapter/Region:
SCIC
Location: Beijing and Venice Beach
Vehicle:2002 Built Wagon Wife- 2004 Outback SE |
Just "dropping in pistons" without bore matching and ring grinding/gapping is asking for trouble in IMHO.
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