dropped a 92 4.3 vortec motor into a 94 s10 blazer well the 92 motor was strapped to a 4l60 and the 94 has a 4l60e in it is there somthing the 92 motor does not have that the 94 did because there is no extra plugs left over or anything the issue is it does not like to move foward in over drive or drive it will when you get the rpms up there but it has all power in reverse? it wont shift when your going down the road either i used the same torque converter from the eletronic trans also, the engine runs fine its the trans thing stumps me im only 17 its my first motor swap can somone please help me? WHY WONT SHE GO!!!