ALOT of people kicked it around but I have done it on more than one engine. I also messed with a 406 small block years ago that had two OEM 350 TBI units on top of a tunnel ram. It is one of the...

Does not matter with a TBI in the least. Once you dial in the fueling it will make every bit as much torque with a single plane as it does a dual plane and pull another 500-1,000 rpm up top. I was...