340 to 413 swap out

well, i bought a 71 scamp that had a 383 in it. it was a 66 h.p, with a modified k-frame (they hacked up a real b.b a body one, and cut the ears off, and welded them to the k-frame that was in the car. it also had 73 b-body h.p manifolds. everything else was untouched. it sat in the car perfect, with a little room on both sides, with 2.5 dual exaust.

so, it should not be too hard