✨Bronze and brass pistons performed well in the engine.
🔧Aluminum and copper pistons caused vibrations and knocking sounds in the engine.
✅Custom pistons made from different materials were able to run in the engine.
⚙️Extra clearance was required for the custom pistons due to expansion.
🔩The pins in the bronze and brass pistons were stable, while the aluminum and copper pistons had issues with pin movement.