I'am putting a 727 transmission in my Duster in place of the old 904. It has a mild 360(9 to 1 comp. magnum heads, 230 duration 470 lift cam, air gap intake and tti headers and 2.5 x-pipe exhaust) and 3.23 rear. I bought an 11" B&M Converter from my buddy and now he can't remember if it stalled...