Michael James Murphy Posted January 9, 2014 Report Posted January 9, 2014 I need to know how to switch my hypertech programmer from my 2001 chevy silverado 4.8 to my friends 2004 chevy silverado 4.3. I don't understand how touse the ccomputer to switch. Idk if I'm doing it wrong but if someone knows please let me know. Need to sell for some components for my truck
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