SURFACING QUICK CHANGE I have made a quick-change for going between surfacing aluminum and cast iron heads. For aluminum heads I use a PCD plate and 750 tr/min on an arm with 2-strong bolts with guiding in a stone head. For steel I use grinding stones and 1800tr/min...
![SURFACING QUICK CHANGE](https://enginepro.com/wp-content/uploads/2023/11/202312-surface-tooling.jpg)