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03-16-2001, 01:34 PM | #1 |
Scooby Newbie
Member#: 3056
Join Date: Nov 2000
Location: Etobicoke, Ontario, Canada
Vehicle:2001 Impreza 2.5RS Blue Ridge Pearl |
I agree that DOHC engines are superior. Try making a SOHC 2.0L turbo put out 280HP reliably! But just crunching the numbers on stock 2.5 litres shows the SOHC is a torquier? performer than the DOHC.
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03-16-2001, 01:45 PM | #2 |
Scooby Guru
Member#: 114
Join Date: Jul 1999
Chapter/Region:
MWSOC
Location: Wichita, KS and Whoring, OT
Vehicle:'03 Evo, Rice White '01 Erion CBR 929 |
That's not surprising, it's a better cylinder head... stock. If you went wild on one, I'd start with DOHC for sure.
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03-16-2001, 01:54 PM | #3 |
Scooby Newbie
Member#: 400
Join Date: Oct 1999
Location: San Pedro
Vehicle:1990 300ZXTT Black |
DOHC for me. 98's rule!!!!!
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03-16-2001, 03:46 PM | #4 |
Homicidal Maniac
Moderator Member#: 1612
Join Date: Jun 2000
Location: Austin, TX
Vehicle:2008 STI |
I plan on having a 280hp SOHC reliable EJ25. I would prefer a DOHC for cam timing purposes, but so far, the aftermarket just isn't quite there for the DOHC.
-Jon |
03-16-2001, 03:49 PM | #5 |
Scooby Newbie
Member#: 3446
Join Date: Jan 2001
Location: Dallas
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Hey, I'd rather pay for just 2 cams than 4 when I do the Cobb upgrades!!
Andre, what's up man!? Good to hear you are coming back to TX. It's me, Chris...the Honduh guy I got rid of my Pearl 99 Lude for a 01 RS 2.5....love the car man. take care. |
03-17-2001, 12:45 AM | #6 |
Scooby Specialist
Member#: 501
Join Date: Nov 1999
Chapter/Region:
International
Location: Krum TEXAS
Vehicle:1998 2.? RS Turbo ;) RBP |
Let's start the DOHC vs SOHC ALL over again ;)
ALL of you that were bowing to the SOHC God.... Why does the new WRX have DOHC??
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03-17-2001, 12:50 AM | #7 |
Scooby Specialist
Member#: 145
Join Date: Aug 1999
Chapter/Region:
MWSOC
Location: The Windy City
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All WRX motors have always had DOHC for "supposed" more accurate cam timing.
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03-17-2001, 12:50 AM | #8 |
Scooby Specialist
Member#: 972
Join Date: Feb 2000
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Good one..personally i would rather have had my motor (DOHC 2.5) than a SOHC motor.. i just loved it..who cares if they had a Broader torque band..torque band smorque band i loved 'er... and the rexie is DOHC..which means if you get your hands on one, you HAVE to tinker with the cams on the intake and exhuast as well as boost the snot out of 'er and RAISE the CR by a point or 4 or are you scared to run around a 10:1 on 14lbs of boost? |
03-17-2001, 10:31 AM | #9 |
Scooby Newbie
Member#: 427
Join Date: Oct 1999
Chapter/Region:
NWIC
Location: Bend, OR
Vehicle:'91 SS Legacy EJ257 DOHC/18g/FMIC/V.8 6spd |
Now remember the CR difference between the 98's and '99's(DOHC vs. SOHC)? The DOHC had a CR of 9.7:1 compared to 10:1 on the SOHC engines.
Other than that it doesn't take much for Subaru to modify the cam timing to increase the torque band. Retard the cam timing for bottom-end torque, sacrifice top-end power. I'd say '98 DOHC for me...TURBO'd -Matt |
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