we just converted a 2000 ss from a 4l60 to a t56 took the 4l60 from my 98 z28 and have everthing in and working except we cant get the clutch system to engage the clutch enough to put the car in gear easily. you have to push the shifter hard and the car starts to roll a littel. we have bled this thing 25 times....any ideas usedold master cylender new slave and old line with drill mod.