Trouble getting a slant six in the car

Without a leveler, here's what I have done;
1) trans on engine
2) Assembly on crane and adjusted to correct angle, and all lifting-points noted
3) reposition chains for trans down severely.
4) Car up on jackstands so I can scoot my um big chest under there on a creeper.
5) steer the trans into the tunnel while dropping the engine onto K-member(any old way)
6) reset chains as at the first (step 2)
7) pull engine up, mount the crossmember, and locate the trans on the crossmember
8) lower engine into position and install brackets
9) BadaBoom!