2005 GMC Topkick c5500 4x4. Same as Chevy Kodiak. Duramax LLY diesel motor, Under 72k miles, new Jasper long block @ around 50k miles, new turbo at that time also. Allison transmission with deep pan and 4x4. Amsoil bypass oil filter 2 micron. Dana 70hd front high pinion front axle with an extra...