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What do these designations mean?

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Old Jun 12, 2007 | 04:53 AM
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Default What do these designations mean?

I was searching around in the HPtuner forum for a stock tune to put into my 6L/80E truck and I saw a couple listed trucks with these designations...
MT1 Silverado K2500:
MT1, Export cal for Sierra K3500:

What does the MT1 stand for?? And correct me if I'm wrong but the designation "K" stands for 4 wheel drive and "C" stands for 2wd no?
Only stock tunes I found were for HD trucks as those were the only ones with the 4l80E

Hope someone can clarify this for me! Thanks.
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Old Jun 12, 2007 | 10:33 AM
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MT1 is rpo for the 4L80E transmission..
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Old Jun 12, 2007 | 10:36 AM
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Oh, Yes "K" is a 4x4 and "C" is 2WD.. Thats correct...
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Old Jun 12, 2007 | 01:17 PM
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Great! Thanks alot I appreciate it! Time to download some tunes now!
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