which frame clip for my 65... chevelle or nova?

[whitedevil502]

has anyone here put a chevelle or nova/camaro front frame on a 65 gmc? im not sure which would be better suited for mating up to the 65 frame. i'd like to go with a 68-72 chevelle front end because i might be putting a blown small block in it and i already have the headers and engine from a 68 chevelle. the headers are the spread port [stahl] design and i dont want to buy another set because they're quite expensive. if anyone could give me any advice or insight on clipping this frame it would be greatly appreciated.