are the 4spd. and auto trans the same.

are the 4spd. and auto trans the same.

The dimensions are the same but the 4-speed has a bracket that is welded on the back for the muncie shifter to bolt to.

Here is a picture of my 4-speed crossmember.

http://i300.photobucket.com/albums/nn2/brkyard/1969%20Chevelle/100_1257.jpg

The 4 speed and th350 x-members interchangejust fine. I don't know about the th400.

Tom

great i have a 4spd car but the new engine will be to much for my m21. thats one less headache to woory about