Weber Carb block off plate MG Midget DGV32
So if you have to take the carb off of your pacer intake, you'll probably want a block off plate to keep stuff out of it. This is that, there are also more features in the scad model, that allow you to make a spacer, or a gasket.
You can change the default thickness, you can also enable the cutout for the carb.
I have not tested out the gasket version of this.