Doc I was thinkin I might wanna mix & match some innards but before I outthink myself (904's ain't my area) I might just get/create a 5 disc front clutch & add a 6th one (thin ones) & a TF2 kit/deep pan/straight thru (locked) converter & pretty much call it good for the stock car. For the 63 dart convert (street driven 451) I'm gonna trim back the bell on the pushbutton 904 & use the JW ultrabell I have. EDIT & yes that '63 /6 trans could for sure use some beefin while I am in there.