I haven't personally seen the VK in a 240sx but i think it would be a good platform to start with. I know that the VK uses solid bucket lifters like the VQ, so theyre not maintenance free like the VH's are. The VH's HLA's are solid, so theyre not a weak link like they may be in a SR. (info custesy of elwesso
, from nicoclub)
I just picked up this motor for my S14 its a VH45DE. The plan is to do a VH45DETT build.
As you can see im a proud new father. LOL