Ready to install my B&M fleax plate on my 360.I have read were the factory flex plate is torqued to 55 FT,I also read 75 FT some were.What should the torque spec be for the B&M.Thanks in advance.;)

Ready to install my B&M fleax plate on my 360.I have read were the factory flex plate is torqued to 55 FT,I also read 75 FT some were.What should the torque spec be for the B&M.Thanks in advance.;)