I have been considering purchase of a 2006 Topkick 4500 4x4 engine decodes as an LLY and guy says trans is a 5 speed you mentioned that 2006 MD can be flashed to enable use as a 6 speed who do I...
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I have been considering purchase of a 2006 Topkick 4500 4x4 engine decodes as an LLY and guy says trans is a 5 speed you mentioned that 2006 MD can be flashed to enable use as a 6 speed who do I...