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Old 08-04-2008, 12:44 AM   #1
Scooby Newbie
Member#: 145065
Join Date: Apr 2007
Location: SC
2007 impreza sti
obsiedian black

Default a realistic compression for 07 sti 2.5L FORGED PISTONS

Can Any One Tell Me What A 07 Sti Short Block With Axis Stage 2 Block( Forged Pistons ) Compression Test Has To Be Around 120 130 140 Psi Extra . I Have Done A Lot Of Comression Test On Subaru And Its Hardly Betwwen 125psi And 140psi Even Though The Specs Are 145 Standard And Goes Up To 170 Psi.
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jhook is offline   Reply With Quote
Old 08-04-2008, 09:58 AM   #2
Scooby Guru
Member#: 4001
Join Date: Feb 2001
Location: I love spherical bearings!
2006 Legacy GT
Obsidian black


Caps lock is your friend, take it off. That or you painstakingly capped every first letter.

Anyways, just make sure all cylinders are within 5% of each other. If you don't get too much blowby or clatter on cold startup, you should be fine.
wcbjr is offline   Reply With Quote

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