Thanks for the replies..I was just hoping for an easy swap,the truck came here not running,and I hate having to move a dead vehicle...To swap one into a 1960's truck,no problem,I have done it a few times.....As far as a TF,first one I have ever owned.I was trying to avoid using headers,I hate them.If there is not a cast manifold for it,it will stop right here.If surgery is required,I will do the 4-53 from a rusty D-60 later in the summer.