Putting dual carbs and headers on a 235 head is like tying a couple of tow chains together with zip ties. The design of the stovebolt ports is sort of like a glorified 1930's farm tractor engine, and nothing you can do to them is going to improve the breathing enough to justify going to the trouble and expense of hanging what amounts to eye candy on there. P.T. Barnum is alive and well- - - - -these days he's fleecing suckers by selling hotrod parts to stovebolters!
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!