b16a2 axles

How goes it?Here is my issue,if this is the wrong place please re-direct me.I have swapped a b16a2 into my usdm 92 essentially making a vti.The problem I have is something is wrong with my F/L axle.When there is forward torque on the axle it is fine but when you lets off the accelerator it starts thumping.the motor and axles came from a 93 vti but it did not specify civic or delsol would this make a difference or not.It was fine for a few days so it probably just gave out somewhere in the joints.Does anyone know a good place to get parts in Germany that won't hassle you about your vin#.