Check the linkage and shifter adjustment, make sure the cable end will drop into the shifter arm hole in 1st, 2nd, and 3rd gear without forcing it. If it doesn't adjust the cable hieght and angle and so on until it does Did you try centering the valve body on the ten bolts before torqueing it down Little things can, and do, make the monsters arrive I went thruogh recently when I added a blanket on my trans, I ended up having to readjust several things to get it adjusted properly Do the simple stuff first