Hi obsa. The dual carb is a home built setup I put together. I originally wanted to put on a 2 x 1 intake, but it looked like the back carb would be in the way of the fender support rod. The little "adapter box" bolts onto the stock intake manifold and then the two carbs on top of that. I also built another adapter to mount two oil bath air cleaners on top of that. Things got a little tall, the hood won't close, so I'm on the search for two smaller matching air cleaners. The linkage that runs the main carb is close to stock, just longer. The second carb is pushed opened by the cam type linkage when the main carb is opened. This linkage didn't end up as progressive as I wanted, but the're both WOT at the same time. grin


1948 Chevy 6400
1964 Chevy 1/2 Ton