If it is a known good tranny attached to the motor you are going to use I would keep it attached and install as a unit. That way you are not disturbing the seals around the torque converter.

Sorry it turned out so badly.

Been there, done that too.

Tom W

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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC]

..I also have a 427 Cobra replica with an aluminum chassis.