The answer is yes u can. There will be some work involved in it and maybe some additional cost but if u read here:
http://www.pirate4x4.com/forum/archive/index.php/t-963892.html the last post on the page.
Basically a spacer to press on to your 4cl Detroit so u can put on the v6 bearing. I believe it's a 5mm difference. Machine shop could prob make it or inchworm might even have the custom bearing.