LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

so aparently my car thinks its a corvette

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Old Nov 2, 2003 | 03:43 PM
  #1  
anasazi's Avatar
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so aparently my car thinks its a corvette

i just downloaded my programming today and to my amazement the biggest thing that jumps out at me is that the PCM thinks its a corvette with P285 55 17 tires and a 3.08 rear gear ratio...

WTF

i thought my car was stock? aparently not! i'm looking for a stock program now to compair the MAF tables because i'm almost sure they're messed up causing my problems.


just goes to show you never know what your going to get when you buy a used car, and i've had this thing for over a year.
Old Nov 2, 2003 | 03:48 PM
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hmmm... interesting
Old Nov 2, 2003 | 04:45 PM
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anasazi's Avatar
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http://anasazi.sytes.net/carscans/co..._in_camaro.jpg

anyoen know where i can find some stock MAF tables to reference off of?
Old Nov 2, 2003 | 05:50 PM
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Moving to LT1 Tech.


Craig
Old Nov 2, 2003 | 06:04 PM
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Re: so aparently my car thinks its a corvette

Originally posted by anasazi
i just downloaded my programming today and to my amazement the biggest thing that jumps out at me is that the PCM thinks its a corvette with P285 55 17 tires and a 3.08 rear gear ratio...

WTF

i thought my car was stock? aparently not! i'm looking for a stock program now to compair the MAF tables because i'm almost sure they're messed up causing my problems.


just goes to show you never know what your going to get when you buy a used car, and i've had this thing for over a year.

Ummm...there's no such thing as a 285-55-17 tire. On certain model years of the Corvette, the tire sizes were 285-40-17 rear, and 255-45-17 front.
Old Nov 2, 2003 | 06:19 PM
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Re: Re: so aparently my car thinks its a corvette

Originally posted by carlos64030
Ummm...there's no such thing as a 285-55-17 tire. On certain model years of the Corvette, the tire sizes were 285-40-17 rear, and 255-45-17 front.
yep my bad, i just checked again and its 285-40-17

was going off of memory
Old Nov 2, 2003 | 06:47 PM
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Here is a screen shot of a stock MAF table for 1995 A4 Z28.

Your speedometer calibration window looks just like mine. The current values are what you have now. The new values are based on what you input into the top, left column and then click calculate (you will then see new values change).

What you see initially on the screen is just the default values the program throws in. It does not mean that is what your car is (except for the "current values").
Old Nov 2, 2003 | 07:22 PM
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Originally posted by shoebox
Here is a screen shot of a stock MAF table for 1995 A4 Z28.

Your speedometer calibration window looks just like mine. The current values are what you have now. The new values are based on what you input into the top, left column and then click calculate (you will then see new values change).

What you see initially on the screen is just the default values the program throws in. It does not mean that is what your car is (except for the "current values").
my MAF tables look exactly like that...

argh wtf ? why does my car run perfectly with the MAF unplugged but with the MAF plugged in it runs rich? the MAF doesn't seem slow or wrong according to the logs.
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