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2004 Chevrolet Corvette 57 4l60 12587603, I didnt pull it but source claimed it was stock.
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2004 Blazer 4.3L 12587603
Flashed with TIS2000 and read with PCM Hammer
Thank you.
You're welcome. If you need something specific, let me know and I'll try to get it for you.
Here's the stock tune file I downloaded from my 2004 GMC Sierra 1500 4x4 with the LM7 5.3 and 4l60E with OS 12587603.
hi im looking for any 05 2500hd lly files or tunes out there that i can refer to thanks
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