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01-22-2006, 02:03 AM | #1 |
Scooby Specialist
Member#: 94494
Join Date: Aug 2005
Chapter/Region:
NWIC
Location: Seattle
Vehicle:2005 Element 92x Black |
2.5l WRX hybrid...
Most can agree that it's the cams that hold back this combo. Some say the heads too. No doubt better heads can help, but how much? How much of a difference is a 2.5l wrx hybrid with STI cams vs. USDM STI?
I know there are other threads on this, but I haven't seen any that clearly state the difference of heads. |
01-22-2006, 02:11 AM | #2 |
Scooby Specialist
Member#: 88905
Join Date: Jun 2005
Chapter/Region:
Tri-State
Location: in the drivers seat....
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i heard that there is not much of a diff. from wrx heads to sti heads, moreso the cams. however that is what i have been told and i am not ready to consider it as fact.
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01-22-2006, 10:45 AM | #3 |
Scooby Guru
Member#: 33782
Join Date: Mar 2003
Chapter/Region:
MAIC
Location: Milton Keynes, UK
Vehicle:96 3MI Racing search FIRST, then PM!!! |
from my understanding cams will make up fro the smaller ports on the WRX heads...of course you can get the P&P'ed...
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01-22-2006, 01:22 PM | #4 |
Scooby Specialist
Member#: 16742
Join Date: Mar 2002
Chapter/Region:
TXIC
Location: El Paso,TX/Lawton OK
Vehicle:07 STI UGM AP Stage2 Clark Tuned |
There wa a thread in Proven Power braggin where the tuner stated the cams helped out alot. . They used Kelford cams, expensive though. I am lookin into upgrading my cams too
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01-22-2006, 01:57 PM | #5 | |
Scooby Guru
Member#: 33782
Join Date: Mar 2003
Chapter/Region:
MAIC
Location: Milton Keynes, UK
Vehicle:96 3MI Racing search FIRST, then PM!!! |
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