Here is my current build 1976 f250, will be installing an International DT466 with compounds, Allison MT643 Transmission married to an NP205, also building Dana 80 front & rear axles. Donor axle is from a 2012 f450. Dana 60/70 narrowing jig, will need to machine larger rings to go around the carrier bearing pucks in order to accommodate the larger carrier bearing in the Dana 80. Rockwell spindle on the left is what I’ll be running, Dana 60 front spindle on the right for comparison.
Coupler I made buy using the output yoke of the MT643 turning it down on the lathe at my driveline shop Ugalde Precision Driveshafts & I took the input yoke on the divorced NP205, turned down it down as well, pressed the NP205 yoke into the MT643 yoke with a .010” press fit, dialed it in & welded it up, this is an unfinished piece. I also had to cut 1.750” off of the water pump shaft, also machined .625” off of the water pump pulley flange, I needed to shorten this operation up as much as possible, she is 93” from the end of the water pump to the center of the output yoke.
I built a Mock block & cylinder head to simulate how my DT466 is going to fit & see how much I am going to have to dog house my firewall, surprisingly I only have to recess the center portion of my firewall 3”-4” back in order fit the DT466 comfortably, hope you like my build, hope to have it on the road soon.
Here is the truck in 1983, it was owned by one of my best friends fork 1980 until he sold it to me 8 years ago.
