Accel wires not to happy

For starters my old 7mm wires had a stright boot to go on my cap and fit real tight.Thease 8mm Accel have the 90 boots and the fit is not all that tight on my cap:angry7:So what gives I did as the directions says.Is there a thicker tower for thease 90 degree boots to fit tighter,last thing is to have one or two wires pop off.Anyone else have this problim?