On an 1982 Chevy truck with a 305 4 barrel carb do you need to install the restrictor inserts in intake manifold gaskets?

No, you do not need to install the restrictor inserts in the intake manifold gaskets on a 1982 Chevy truck with a 305 4 barrel carb. These inserts were used in certain model years to reduce exhaust emissions and improve fuel economy. However, they were not used in the 1982 Chevy truck with a 305 4 barrel carb.