Here is the back ground did a motor swap to 6.0 drove the car for the first time today ran fine shifted good had some belt issues with bad tensioner last time belt rode off lights dimmed pulled over put the belt back just to get me home started car it would no move all all in any gear forward or reverese checked tranny fluid not burnt what else should i check

 

Well since you had the engine out i would suspect a damaged pump. remove one of the cooler lines and start car is fluid does not spray out then theres your answer