I have a 1968 4x4 F-250 that i plan on putting a 7.3 idi in. I was wanting to know if any one is using this axle with that motor. I am getting a complete 1988 F-350 for this swap so i can use that front axle which is a dana 50 i think i have not actually looked to make sure. the reason i want to keep the d44 is because it has 4.56 gears and the closed knuckle ends. This truck is used as a feed truck i oklahoma so it spends more time off the road at slow speeds.