hello all , new to the forum , heres my question , i have a jeep with a 304 , with the edelbrock performer trio ( cam carb and intake ) headers and d.u.i. ignition . when i get up to temp , it has a slight hesitation when i accelerate (really slight ) . before it is at temp its fine . i was told i need a spacer between carb and intake (only a gasket now ) because my fuel might be "percolating" sound right ? also edelbrock makes a 1" and 2" spacer , is bigger better ? she runs perfectly otherwise any thoughts ?