B&M 2800 Stall torque converter?

when i bought my dart, it already had a built 318 in it. now i'm about ready to install my brand new TCI streetfighter 727 tranny. i have a B&M 2800 stall converter and flex plate that'll bolt up to my 318.

since i have no idea what kind of camshaft i have, would you guys reccomend that i do or don't use this torque converter?

also would anybody happen to know where i could get transmission mounts for a 67 dart? so far, everywhere that i've seen sells every year mounts except for 67. so i'm guessing that the mounts that i'll need are going to be different from the others in someway..