Edelbrock models 1405 versus 1406 carburetors

First after giving as much acc pump shot as possible id changed the attack angle of the air valve in the secondaires. By grinding the "at rest " postion of the weights to make it pull harder 1st instead of just flop rite open . shown with a stock un modded eddy 600 weight for comp. Modded one is on the right. & to reattach them push on square & one small tack weld & DONE!