hi im very new here hoping some one can help me out
I have a 1997 5.0 vortec manual 4x4 (mg5) 1500
im going to drop in a 1998 5.7 vortec out of a Tahoe
I called my buddy at the local chevy dealership and he told me he wont
be able to reflash the ECU with out the correct VIN for the truck im...