MY 406 SBC CHEVY RESPONDED VERY WELl W/ A SINGLE PLANE AND A BIGGER CARB. , LOST NOTHEING DOWN LOW WENT 10;20 IN A VEGA , 11.90`S IN A PICK UP , WITH 3 SIZES SMALLer than stock JETS IN THE REAR OF THE CARB . , WAS EXPERIMENTIN W/ GAS MILEAGE AND FORGOT TO CHANGE THEM BACK .
That truck got 16.1 on the hiway too ---------