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08-06-2005, 12:10 AM | #1 |
Scooby Specialist
Member#: 49341
Join Date: Nov 2003
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How many stock 257s still running w/high boost?
I would like to know how many sti's are running higher boost or aftermarket turbos with the stock bottom end and for how many miles. Compression numbers, boost numbers, upgrades would be appreciated.
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08-06-2005, 12:18 AM | #2 |
Scooby Specialist
Member#: 59764
Join Date: Apr 2004
Chapter/Region:
South East
Vehicle:10 sec STi 10 sec Z06 |
I havent managed to blow up my block yet. I consistently run 1.5bar, might not be very high boost but I give it hell everytime I drive it.
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08-06-2005, 12:46 AM | #3 | |
Scooby Specialist
Member#: 49341
Join Date: Nov 2003
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Quote:
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08-06-2005, 10:00 AM | #4 |
Scooby Specialist
Member#: 37731
Join Date: Jun 2003
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22-23psi on an SR50 for ~15k miles or so...about 29k miles total on the car...
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08-06-2005, 10:33 AM | #5 |
Scooby Specialist
Member#: 36303
Join Date: May 2003
Chapter/Region:
TXIC
Location: Houston
Vehicle:06 Evo IX silver |
20k miles at 1.3-1.5 bar.
may have broken pistons though... |
08-06-2005, 10:42 AM | #6 |
Scooby Specialist
Member#: 29963
Join Date: Nov 2002
Location: chicago
Vehicle:04 sti silver |
Two different aftermarket turbos... Currently on a green running 1.45-1.5 bar. Cars been modified 34 of it's 37K miles.
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08-06-2005, 11:07 AM | #7 | |
Scooby Specialist
Member#: 59764
Join Date: Apr 2004
Chapter/Region:
South East
Vehicle:10 sec STi 10 sec Z06 |
Quote:
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08-06-2005, 06:39 PM | #8 |
*** Banned ***
Member#: 19221
Join Date: May 2002
Chapter/Region:
South East
Location: Jacksonville, FL
Vehicle:2005 Legacy GT (STi) UR35R/Rotated Intake Mani |
I have ran 22-24psi on mine no problems. Once I get a FMIC I will run 24-25psi daily on pump gas.
-Matt |
08-06-2005, 09:30 PM | #9 |
Scooby Specialist
Member#: 71542
Join Date: Sep 2004
Chapter/Region:
MWSOC
Location: Midwest
Vehicle:2013 WRB BRZ |
I ran an SBR-GT12 turbo at approximatly 20-21psi for about 2000 miles. I used 93 pump the whole time I did that...
My current turbo is a Zilla 20G. I'm consistently hitting 1.6 bar (~23psi) in every gear, except 6th gear (which I don't do pulls in). I have methanol injection which turns on at 18+psi. I've been running this setup for about 4000 miles. Stock block. No problems as of yet.... Knock on some wood please. |
08-07-2005, 04:13 AM | #10 | |
Scooby Specialist
Member#: 23162
Join Date: Aug 2002
Location: sandiego,ca/columbus,ohio
Vehicle:2006 300c,forester x silver steel |
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08-07-2005, 12:03 PM | #11 |
Scooby Specialist
Member#: 71542
Join Date: Sep 2004
Chapter/Region:
MWSOC
Location: Midwest
Vehicle:2013 WRB BRZ |
If you want to drag race, the SBR-GT12 would be better - if tuned properly. Remember, it has a compressor wheel over 10lb/min bigger (55 lb/min vs 44.5 lb/min) so it can push more air.
The 20G is more streetable, and would make a better road course turbo (better power band, better boost onset, better partial throttle/off throttle boost response) - if tuned properly. Personally, I like the 20G better. To each their own... |
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