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Old 02-18-2006, 09:12 PM   #1
RollingOnAll4
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Member#: 30109
Join Date: Nov 2002
Chapter/Region: South East
Location: Miramar, Florida
Vehicle:
2000 full blown
Dirty Whore

Impreza GC8 will a WRX oil pump and water pump

work on an EJ22T block....
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Old 02-18-2006, 09:17 PM   #2
jamesfacts
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Join Date: Dec 2003
Chapter/Region: Tri-State
Location: Brooklyn NYC / Danbury CT
Vehicle:
98 RS
black & blue from parking

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Yes...
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Old 02-19-2006, 12:46 AM   #3
99WRXEJ20
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Member#: 34545
Join Date: Mar 2003
Chapter/Region: MWSOC
Location: Worthington, Ohio
Vehicle:
1999 GC8
74f

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Err....
OK. but it all depends. Will it fit? yes. Will you have to mess with your cooling lines?yes. Nothing major.
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Old 02-19-2006, 12:58 AM   #4
redwagon
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Location: So Cal
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2008 SpecB
DGM

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If I'm not mistaken, the EJ22T had a beefier oil pump to feed those piston squirters. The WRX pump will probably not make enough pressure if it has to run the squirters, even if it does fit.
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Old 02-19-2006, 04:44 AM   #5
Skully
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Member#: 48990
Join Date: Nov 2003
Location: Sweetwater Tennessee
Vehicle:
98 Impreza RS
RBP

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a WRX oil pump and EJ22T oil pump are physically identical in peices parts. The only thing different between the two is the EJ22T pump has shims down in it to raise the oil pressure. We have put these on WRX motors and it raises the oil pressure by 10-15psi. You can buy the shims from subaru if you just want to shim your WRX oil pump.

-Thomas
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Old 02-19-2006, 05:01 AM   #6
02Toyowrx
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2002 WRX
White

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Skully are you sure that the EJ22 pumps internal gear isnt wider, resulting in more volume?
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Old 02-19-2006, 12:33 PM   #7
RollingOnAll4
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Join Date: Nov 2002
Chapter/Region: South East
Location: Miramar, Florida
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2000 full blown
Dirty Whore

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thanks for to quick response....just sorting out a quick3er way of getting my build up going...
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Old 02-20-2006, 01:58 AM   #8
Skully
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98 Impreza RS
RBP

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im 100% sure, we took them apart and measured them with a set of calipers. The internal rotors are identical. Only difference is the shims in the pump spring housing.

-Thomas
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