Trans case cracking

[Ballzdeep]

Hey.Im runnen an 88 Ranger 2.9 with a 5 gear.I swaped out the dana 28 for a dana 30 and long arms and usen 8" J Skyjacker coils in front.

My problem is .....I've broken 2 tranny case within the last week!Normal driving on the highway.I've been runen this combo for 4 mounths now with no other troubles.It cracked from the mount all around.Any ideas.

 

[CodePoet]

Drive shafts the wrong length?

 

[Ballzdeep]

Drive shafts the wrong length?

I've got lots of slip in the shaft.Again this was done runnen on the highway.There was no bang or nothen.The only way I noticed it was from the smoke from the fluid on the exhaust.