for starters, the center dump "rams horns" manifolds is what you need, no interference - then re the bellhouse pivot, you'll need to find an original 55 bell or switch to the 56-later linkage that doesn't use the extra pivot point
"When we tug a single thing in nature, we find it attached to the rest of the world" ~ John Muir "When we tug a single thing on an old truck, we find it falls off" ~ me Some TF series details & TF heater pics