AFAIK all BB's are the same outside, cjoe - that one's not mine,
good friends - I forget what 4 speed it has, but the rear is the stock 3.90

- hasn't blown it yet and he does abuse it sometimes - he found some Hedman's that fit ok
the hei is too tight on any v8 in a TF - avette4me posted about the BFH method of gaining the 1/4" necessary, but doing a setup from scratch with the side mounts you can fudge it forward 1/2" or more
Bill