2005 lly vs 2006 lly?
Have a question, already searched here. I have a 2005 lly and looking to replace the engine. I found a 2006 lly but the egr system looks totally different. Are the cylinder heads the same between the 2 years? What will have to be changed for me to make this work? Thanks guys!
2005 GMC Sierra Crew Cab Duramax Diesel 4x4