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7730 mask $AA?

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Old Jan 8, 2005 | 11:33 AM
  #1  
nhromyak's Avatar
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From: Folsom, Ca
Car: '73 Chevy Blazer
Engine: BBC - 408
Transmission: SM465
7730 mask $AA?

I am presuming Howell us is using a $AA Mask, because in Tunerpro (of course I am use $8D ecm), under the constants "Chip Code Mask" the Howell Bin says AA.

When I look at the axcn.bin it says 8D.

Is there an $AA mask?

Where can I get it?
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Old Jan 8, 2005 | 11:41 AM
  #2  
RBob's Avatar
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From: Chasing Electrons
Car: check
Engine: check
Transmission: check
Re: 7730 mask $AA?

Originally posted by nhromyak
I am presuming Howell us is using a $AA Mask, because in Tunerpro (of course I am use $8D ecm), under the constants "Chip Code Mask" the Howell Bin says AA.

When I look at the axcn.bin it says 8D.

Is there an $AA mask?

Where can I get it?
The MaskID of $AA is the GM engineering overide for the checksum routine. IOW, the EPROM checksum no longer matters. . .

RBob.
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Old Jan 8, 2005 | 12:10 PM
  #3  
nhromyak's Avatar
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From: Folsom, Ca
Car: '73 Chevy Blazer
Engine: BBC - 408
Transmission: SM465
Oh.

Thank you for the quick response.

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