Thank You Mike for the info that answers alot of my questions since I dont know much about fords. basicly there is no replacement for displacement. hince my 64 chevelle is now running a 468 bb

But i did fail to mention I also have a 460 out of a early model Lincoln and I was told ( not sure if this is right ) the engine has dove tail heads on it ( not sure what those are )

I dont see a problem with putting the big block in the car since it has more room under the hood then my pickup has in the bed.

Any suggestions or a build up of a 460 would be great too