If you find the right combo 400/205 you're half way done with the doubler, as the 205 will have the correct input shaft.Quote:
Originally Posted by DRAGOONRANCH
Make sure the 400 you have a line on is 4wd. Also, I believe there is a K case that is better. I could be mistaken though, it might be for the 350. Don't know too much about that auto's since I like sticks.