I got a transmission and Advance kit from Blumenthals and after fabricating a new mount to replace the cheesy tubing that came with the kit I put the transmission in today. The box tubing they gave me is1/8 wall thickness or less and I made one from 1. 4 wall. The assembly is about an inch too long to fit the Dodge mount that the rubber isolators are in. The advertisement says that there is no adjustment for the Getrag conversion, just the auto. Has anyone run into this problem? I could weld a tab on the front of the box tubing I made but I am wondering if I put something together wrong. The transmission does have the cast iron tail piece but that should be the same length as the aluminum one, correct? Thanks for your help.