ok i ****ed up my trans in my 03 6.0 reverse and 4th and 5th are messed up.... i dont wanna get stock stuff..... if i order the rebuild kit from suncoast is it a wise choice to get the convertor also? its another 1300 that i kinda dont wanna spend.... but if its needed ill buy it.... someone let me know and also where is the best/cheapest place to get these parts....