Got the trans up and in. Tailshaft blocked up. Chassis has been leveled, and engine block and transmission set to 5° down. Industry standard is 3° to 5° on engine and trans angle. I figure after I build the mount to a 5° driveline angle, I can always shim it up to 3° pretty easy if i needed to. Looks like theres a few appendages on the trans that others have lopped off on their installs to make it fit the floor pan. I will be doing the same as well when the time comes. Mid 70s GM truck mount is installed. Got to get the bolt in crossmember fabbed up and installed. Chain hoist made it super easy with no floor in there lol.