2003 Gmc envoy 4dr SLE AWD il6
Can I swap a Yukon engine into a 2003 envoy
Many have done the 5.3 swap, but at what point does cost come into play? An Envoy or Trailblazer with a stock 5.3 can be had pretty cheap. There are lots of write up on the net about this swap if you really want to do that.