Duramax Third Generation: 2006-2007.5 (LBZ & LLY)
I have been wanting to ask about my EGTs for a while. I live in Florida, so hills dont come into play here. I have thought since I put my EGT gauge in, that my EGTs are higher then they should be going down the highway empty. I now have EFI Live with DSSP5 switch, and I usually run in Economy...