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Old 09-22-2006, 01:51 PM   #1
BlckBeautyVTEC
Scooby Newbie
 
Member#: 94436
Join Date: Aug 2005
Chapter/Region: SCIC
Location: San Diego
Vehicle:
2001 Impreza Outback
Silver

Impreza GC8 Sohc Vs Dohc Ej25

My car is a 94 L with Ej25 swap i wanna figure out what year motor my car cae out of, and if its sohc or DOHC does any one know if theres an engine stamp with the year somewhere or a way my physically looking, i think its a DOHC but im not 100% sure cause of the flat 4 i tried searching but i am in no luck any help/ pics would help thank you!
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Old 09-22-2006, 02:46 PM   #2
narenji
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Member#: 12727
Join Date: Nov 2001
Chapter/Region: SCIC
Location: So Kalifornia
Vehicle:
Its got internal
combustion ftw!

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dohc should have two cams per side... sohc only one cam per side. should see two round indentations or circles on the cam cover if it's a dohc. should be pretty easy to tell.
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Old 09-22-2006, 02:58 PM   #3
BlckBeautyVTEC
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Location: San Diego
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2001 Impreza Outback
Silver

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k thats what i thought as well, thank you problem solved!
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Old 09-22-2006, 04:33 PM   #4
I am Frakk
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Member#: 35739
Join Date: Apr 2003
Chapter/Region: SCIC
Location: 2015 Red WRX
Vehicle:
1 2001 GC8 R.I.P
R.I.P 2007 WRX Wagon

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Quote:
Originally Posted by BlckBeautyVTEC View Post
My car is a 94 L with Ej25 swap i wanna figure out what year motor my car cae out of, and if its sohc or DOHC does any one know if theres an engine stamp with the year somewhere or a way my physically looking, i think its a DOHC but im not 100% sure cause of the flat 4 i tried searching but i am in no luck any help/ pics would help thank you!
Well does your EJ25 have a MAP or MAF? (sensor connected to the stock airbox)

EJ25 DOHC = 98 RS (this was the only year that subaru offered DOHC on the N/A Impreza)
EJ25 SOHC = 99 RS - Current (99's came with a MAF in 2000 the EJ25 changed to MAP sensors)
Hope that helps...
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