My 6.1 retrofit thread
That also helps with the u-joints, being offset, to keep vibration down and the grease inside the caps to move around (lubricate). Keep in mind, these parts are made for the U.S. market, and being a rh drive vehicle only adds to "fabrication" factor, even I had some trouble (had to use a 68 b body k-frame instead of my 64 b body k frame) at that time. I feel for ya, but you do have the skills to overcome the obstacles that are in front of ya and you doing a kick *** job. Now, go get a Fosters and get back to it, lol!!!