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Old 09-19-2003, 09:46 PM   #1
samtheblur
Scooby Newbie
 
Member#: 21164
Join Date: Jul 2002
Vehicle:
1998 Legacy Outback
Blue

Default How do I tell if my 98 Outback is DOHC or SOHC

Is there a way to tell w/o tearing apart the engine? I have a phase II block, and think that the engine I have might be a replacement rather than the one that came w/ the car.

TIA

Sam
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Old 09-22-2003, 07:08 PM   #2
ShaneW
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Member#: 226
Join Date: Sep 1999
Location: Fremont, CA
Vehicle:
1999 Impreza 2.5RS
Rally Blue Pearl

Default

Open your hood and look at the front of the engine. You are going to need to look at the heads, or the plastic over the heads. OK, follow the belts to the front left or right of the engine. The black plastic cover will have either one or two circles facing you. If there is only one circle, then it is the SOHC. If there are two indented circles, then you have the DOHC.

ShaneW
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Old 09-22-2003, 08:02 PM   #3
sybir
Scooby Specialist
 
Member#: 4615
Join Date: Mar 2001
Chapter/Region: BAIC
Location: Don of the Wagon Mafia
Vehicle:
05 FXT/01 OB/97 OB
Yes.

Default

Every BD/BG (that's 95-99 in the US) has a DOHC.

Every car after that (2000+) has a SOHC.
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Old 09-22-2003, 10:39 PM   #4
DaveM
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Member#: 4503
Join Date: Feb 2001
Location: Southeast PA
Vehicle:
2012 Imp Sport Ltd
Camellia Red

Default

Quote:
Originally posted by sybir
Every BD/BG (that's 95-99 in the US) has a DOHC.

Every car after that (2000+) has a SOHC.
Close but no cigar.

The '95 psuedo Legacy Outback had a 2.2 SOHC.
The '96 Legacy Outback MT had a 2.2 SOHC; AT had a 2.5 DOHC.

DaveM
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Old 10-12-2007, 04:56 PM   #5
swampkid02
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Member#: 161624
Join Date: Oct 2007
Chapter/Region: NESIC
Location: Adirondacks
Vehicle:
98 Outback Limited
green

Default ej25

Closer, but still no cigar..ok i'll give you half of one. Subaru phased in the SOHC ej25 in '99. Some late model '99 Outbacks had the single cam. As for the MY98, they are all DOHC. I have one of each, a '98 DOHC and a '99 SOHC...they are totally different beasts.
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