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Old 03-19-2009, 10:20 PM   #1
needawrx13
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Member#: 175051
Join Date: Mar 2008
Chapter/Region: NESIC
Location: springfield, mass
Vehicle:
02 Slow rs
Brp/rust

Default 2.0 vs sti oil pump

is there any differences between a 2.0 wrx oil pump and a 2.5 sti pump?
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Old 03-20-2009, 02:16 AM   #2
cooleys04
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Join Date: Apr 2007
Chapter/Region: SWIC
Location: phoenix
Vehicle:
2004 WRX FP Green
MFactory/2Tone/built 205

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They are both 10mm pumps, same part #. A 12mm pump is available if you need more volume, you can shim a 10mm pump for more pressure.
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Old 03-20-2009, 03:45 AM   #3
fastwrx25
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Location: TPE
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03 bugeye

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the 08+sti have a 11mm pump
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Old 03-20-2009, 07:41 PM   #4
needawrx13
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cool, thanks guys!
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Old 03-20-2009, 09:19 PM   #5
SacksLax
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Join Date: Nov 2008
Chapter/Region: South East
Location: Raleigh, NC
Vehicle:
BugI WRX "Rissa Roo"
WRB E III XVIG

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HIGHLY suggest the 08 STi pump

I have one in my car, did it with the timing belt. The pressure holds much better, and runs a tad cooler, and more efficient. Car feels better too, someone posted a chart of pressures, somewhere search for 08 STi oil pump or something like that, and it's in one of the threads. Definitely worth the piece of mind.
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