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Old 11-18-2012, 09:25 PM   #51
shadowmd
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Member#: 193222
Join Date: Nov 2008
Chapter/Region: MAIC
Location: Baltimore, MD
Vehicle:
05 Wrx 1.5xtr 6spd
2.5 hybrid 367whp/363wtq

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Originally Posted by Abnormal View Post

Did you get an IAT sensor or are running the one in the stock MAF sensor?
I had them install an iat sensor. The maf is still there, just not plugged in
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Old 11-18-2012, 09:27 PM   #52
shadowmd
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Join Date: Nov 2008
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Location: Baltimore, MD
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05 Wrx 1.5xtr 6spd
2.5 hybrid 367whp/363wtq

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Quote:
Originally Posted by dumpstercrusher View Post

what makes speed density different? can you tell the difference when driving?
The drivability is soooo much nicer. The best way I can describe it is that when your wot going through the gears, when you shift gears, it almost feels like you're flat foot shifting. Meaning you always seem to land at full boost. There is almost ZERO lag between shifts. Also, throttle response is much improved.
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Old 11-19-2012, 09:37 AM   #53
Abnormal
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Chapter/Region: MAIC
Location: zip22182
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Rocket Box! :D

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Originally Posted by shadowmd View Post
I had them install an iat sensor. The maf is still there, just not plugged in
Gotcha. That's exactly what I wanted to hear.
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Old 11-19-2012, 10:03 AM   #54
Abnormal
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Rocket Box! :D

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Speed Density is more effective because you're essentially using more sensors, in more important areas, to manage your fueling.

More accurate data == Better combustion control == Better tune
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Old 11-19-2012, 10:06 AM   #55
shadowmd
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Member#: 193222
Join Date: Nov 2008
Chapter/Region: MAIC
Location: Baltimore, MD
Vehicle:
05 Wrx 1.5xtr 6spd
2.5 hybrid 367whp/363wtq

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Quote:
Originally Posted by Abnormal View Post
Speed Density is more effective because you're essentially using more sensors, in more important areas, to manage your fueling.

More accurate data == Better combustion control == Better tune
Yeah it really is night and day
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Old 11-19-2012, 11:49 AM   #56
dumpstercrusher
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Join Date: Dec 2006
Chapter/Region: MAIC
Location: Glen Burnie, MD
Vehicle:
2006 Impreza WRX TR
vf39 ewg tuned ppg gears

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Quote:
Originally Posted by shadowmd

The drivability is soooo much nicer. The best way I can describe it is that when your wot going through the gears, when you shift gears, it almost feels like you're flat foot shifting. Meaning you always seem to land at full boost. There is almost ZERO lag between shifts. Also, throttle response is much improved.
thanks for makin it clear for me!
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Old 11-19-2012, 12:50 PM   #57
shadowmd
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Location: Baltimore, MD
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05 Wrx 1.5xtr 6spd
2.5 hybrid 367whp/363wtq

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Quote:
Originally Posted by dumpstercrusher View Post

thanks for makin it clear for me!
No problem man, it really is pretty sweet
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Old 11-19-2012, 03:07 PM   #58
DavC825
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Chapter/Region: MAIC
Location: Prince George's County
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07 Squeakmobile
Black in Color

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Quote:
Originally Posted by dumpstercrusher View Post
what makes speed density different? can you tell the difference when driving?
it uses a map sensor for fuel calculation. idle-low load= hi vaccum= low voltage, wot- high load= high voltage. nice thing is, vaccum leaks won't cause issues since the map sensor should see the false air and adjust fuel accordingly.
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