First off, I want to say that this forum is excellent. Thank you to all that have offered me advice as I get ready to make some major modification to my Suburban. So here is another question. Important information to know. I am planning to run Hummer wheels. So that means that I am going to install dually axles under my rig. I am planning to install a t-case doubler. Doing this increases my options with regard to front axles. I have learned that Ford made a high pinion D60 front, I have also learned that my best option is a 1978-79 D60. However, this particular vintage never came in a dually setup. So I am going to have to install dually hardware on the front. Another forum member informed me that I can not just simply swap on dually hubs because they are not interchangable, however if I take Chevy dually front spindle and swap them onto the Ford housing at the ball joints this will solve my problem, allowing me to have a high pinion D60 Ford housing with Dually spindles on the front. And now after all of that... my question. Can I/Should I use a kingpin style housing or a balljoint style housing? The only reason that I ask this is because I came across an auction on Ebay for a kingpin D60 front axle. And I did not even know that this even existed. Ok, so now try to take it easy on me with regard to my lack of knowledge. I am just trying to make the right preliminary decisions before I invest a ton of money into parts. Thanks for the help.