Have an issue going here looking for some help, got a 96 F-250 7.3 with the E4OD, tranny was rebuilt about 5 yrs ago due to T.C. going out, had heaver T.C. put in along with a shift kit, fast forward to now. Here about a mounth ago it started shifting REAL HARD from 3rd to 4th:dunno, it is not...