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Bends in semi rigid tubing are there to allow for expansion/contraction and for reduce potential for cracking due to movement from the exp/cont and vibration.
It was also likely planned to hug the block to reduce potential for catching the tubes while handling the assembly prior to fitting to the body in the factory.
edit--> Scott, was there not a thermostatic choke on that year? I can't see bosses on the casting and am not familiar with later assemblies.

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Gotcha, thanks for that.

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edit--> Scott, was there not a thermostatic choke on that year? I can't see bosses on the casting and am not familiar with later assemblies.

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edit--> Scott, was there not a thermostatic choke on that year? I can't see bosses on the casting and am not familiar with later assemblies.

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The bosses are there, they are partially covered by the manual choke cable hold down linkage that replaced the thermostatic choke base unit. In fact, 1970 Hemi carbs (4742s,4745s,4746s) were actually installed on most 1971 Hemi engines at the factory (likely using up leftover inventory). They simpley unbolted the automatic choke and replaced it with the manual choke parts before stamping the foot with an "M" which is thought to stand for "Modified". Here's a set I recently restored, the foot stampings will be posted next.

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