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Garry
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Post subject: This is interesting ...  Posted: Sat Nov 11, 2006 6:49 am |
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Joined: Sat May 26, 2001 9:59 pm
Posts: 7823
Location: Bad Hersfeld, Germany
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Garry Glendown * '99 Firehawk Convertible
"Horsepower is how fast you hit the wall and torque is how far you take the wall with you."
"Speed doesn't kill - suddenly becoming stationary on the other hand ..."
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Roy
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Post subject: Posted: Sat Nov 11, 2006 8:39 am |
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Joined: Sun May 27, 2001 2:52 pm
Posts: 5556
Location: Mehlingen,Rhineland Pfalz, Deutschland
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Garry
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Post subject: Posted: Sat Nov 11, 2006 8:50 am |
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Joined: Sat May 26, 2001 9:59 pm
Posts: 7823
Location: Bad Hersfeld, Germany
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I'm already running SD now ... Might check out getting just a plain bellow to replace the MAF and see next year at the track what it does ...
_________________
Garry Glendown * '99 Firehawk Convertible
"Horsepower is how fast you hit the wall and torque is how far you take the wall with you."
"Speed doesn't kill - suddenly becoming stationary on the other hand ..."
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BenZ28
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Post subject: Posted: Sat Nov 11, 2006 12:29 pm |
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Joined: Mon Sep 10, 2001 3:53 pm
Posts: 2485
Location: Mainz, Germany
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What does SD mean?
Ben
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1999 Camaro Z28, black, T-Tops, M6
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Garry
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Post subject: Posted: Sat Nov 11, 2006 12:53 pm |
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Joined: Sat May 26, 2001 9:59 pm
Posts: 7823
Location: Bad Hersfeld, Germany
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Speed-Density (Tune) ... basically, the MAF is dropped in the computer, forcing the computer into Open Loop mode, where it uses a smaller set of data to calculate the amount fuel delivered to the motor. In core, it's mainly adjusted based on the RPM and MAP. Dropping the MAF will make the tune dependand on the air temperature, though the variation within "normal" temperature ranges of summertime shouldn't matter too much. Extreme heat or cold would probably make AFR off quite a bit though ...
_________________
Garry Glendown * '99 Firehawk Convertible
"Horsepower is how fast you hit the wall and torque is how far you take the wall with you."
"Speed doesn't kill - suddenly becoming stationary on the other hand ..."
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