"216 carburetors with 235 base"

Swapping throttle bodies can be a tricky business. I prefer altering the stud spacing of the manifold by plugging and re-drilling the stud holes for the original 216 Carter carburetors. Even those carbs are massively too big when running them on a 235 engine.

"going to save myself a lot of time and headache and install the stock intake manifold"

Smart move- - - - -some people are too stubborn to admit they made a mistake. Good luck!
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!