I replaced the engine in my 1100 with a 354 out of a New Idea 706 uni harvester. It is a much newer version of 354. My issue is finding a pair of manifolds that will align with the original 1100 manifolds. The issue is the bolts in the head are in different locations than the original 1100 engine. Has anyone ran into this before? It looks like a 2640 MF exhaust and a 510 MF combine intake may work, thoughts? I hate to buy them only to find out they won't. I have attached pictures of the new engine as well as the engine ser.number. thanks for the help !