These procedures consist of matching the port opening to the required gasket by slightly hand grinding the port entry and exit. Then the “bowl” area of the valve pocket is smoothly blended to meet the valve seats. If any burrs are present in the chamber or port edges they are removed to avoid hot spots.
These procedures consist of matching the port opening to the required gasket by slightly hand grinding the port entry and exit. Then the “bowl” area of the valve pocket is smoothly blended to meet the valve seats. If any burrs are present in the chamber or port edges they are removed to avoid hot spots. 
