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Old 10-20-2002, 06:35 AM   #1
curvie
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Member#: 11381
Join Date: Oct 2001
Location: Norcal
Vehicle:
2008 sti
aw

Default LINK users...

Hello everybody,

Was just wondering what egt's you guys were getting during highway cruising? I just installed the Link and roughly tuned it to the best of my ability and knowledge. However, I think i'm running a bit rich, as my egt's are lower than what I'm used to seeing with the stock ecu..

Cruising along the highway at around 70mph... I see egt's of 550-690 celcius...

On another note... I was wondering if anybody knew who made a "bell-mouth" JDM downpipe for the wrx? Been trying to located one to mate with the SR series turbo and kakimoto gt1.0z exhaust. Any help would be appreciated!

cheers,

Victor
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Old 10-20-2002, 09:19 AM   #2
teiva-boy
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Location: Seattle, WA
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Try a Cusco downpipe.
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Old 10-20-2002, 12:00 PM   #3
Delicious Tuning
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You are definitely running on the rich side. While cruising on the highway, you should be able to lower your fuel quite a bit.

On my RS-T my O2 (narrow band) sensor doesn't even go into the rich area at all, it always says lean. You are not always going to run in the rich area, as this would not really make sense. The stock O2 sensor you are using is not the best source for tuning highway driving. With enough tuning time, you can figure out where the fuel levels are suppose to be at cruising highway speeds.
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Old 10-20-2002, 06:33 PM   #4
Chav
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RSTi

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Where is your EGT probe?

-Chav
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Old 10-20-2002, 08:08 PM   #5
Delicious Tuning
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Yeah where is your EGT probe tapped in? Sometimes my mind just wanders, got to think simple first.
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Old 10-20-2002, 10:03 PM   #6
curvie
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aw

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Thanks for the responses.

I have the egt probe tapped in the downpipe right after the turbo... Godspeed JDM downpipe.

Thanks,

Victor

Ps. Skywalker, I emailed you.
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Old 10-21-2002, 04:32 AM   #7
HubbieScooby
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Super Slow

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hey skywalker

i also e-mailed you...did you get it??

hugh
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Old 10-21-2002, 12:40 PM   #8
Delicious Tuning
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Thumbs up

Got them and will respond shortley.

Cheers,
Bill
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Old 10-21-2002, 12:52 PM   #9
RS_NW
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Quote:
Originally posted by skywalker
On my RS-T my O2 (narrow band) sensor doesn't even go into the rich area at all, it always says lean. You are not always going to run in the rich area, as this would not really make sense. The stock O2 sensor you are using is not the best source for tuning highway driving. With enough tuning time, you can figure out where the fuel levels are suppose to be at cruising highway speeds.
What are you using for a narrow band?
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Old 10-21-2002, 02:12 PM   #10
milkman
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Y2K RSt
Sedona Mars Red Pearl

Default 2-3" off #3 port

At 2900Rpm's and 65mph (I add that because it changes with mph, even if the Rpm's are the same)I'm at 1450` or so. A/F is where it should be, using a GM O2 sensor off a 95 Camaro after the turbo. 2.5RSt
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Old 10-21-2002, 05:24 PM   #11
Delicious Tuning
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I am using the OEM Stock O2 sensor. At cruising speeds on the highway I have no reading on the O2 stock sensor. My engine temps are reading ~1375 at 3500 RPM's and 75 Mph. My gas milage on the highway is about 28 miles per gallon. Around town with lots of stop and go traffic (with some boosting at 10 PSI), I get about 20 miles per gallon.

I know the O2 sensor is reading because every morning I get up turn the car on and watch the O2 readings slowly rise as the car warms up. I have noticed with my stock O2 sensor anytime the readings get in the high to middle part of stoich the readings, the value will drop off to 0, this is during normal daily driving with no boost. Under boost of course the car is running a little rich as it should be.
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