What is the exact difference in length between a TH400 and T56. I need to have a driveshaft by next week but my rearend won't be done till then. So...I am going to take the difference in transmission lengths and difference in the rearend's I'm using and compare it to stock to get my measurements. The 10 bolt is 11 5/8 " from yolk to axle centerline and the dana 60 is 13". So that makes it 1 3/8" shorter. Now all I need is the difference in transmissions. I measured it at ~2" but it was hard to measure. Someone has got to have the specs.

Thanks