

| What Is Porting? |
| D & A |


| NOW THAT YOU HAVE THE BASIC IDEA OF WHAT AN ENGINE REALLY IS, YOU UNDERSTAND THAT PORTING HELPS TO MAXIMIZE YOUR AIR FLOW INTO YOUR ENGINE. BY RESHAPING AND CONTOURING YOUR CYLINDER PORTS AND BOWLS, YOU GAIN AIRFLOW. THIS ALSO WORKS FOR THE PORTS AND CHAMBERS OF YOUR INTAKE MANIFOLD. |
| COME AND SEE THE PRO'S AT D & A PERFORMANCE! |

| WHAT IS PORTING? WELL LET'S TAKE A LOOK AT THE BASICS OF YOUR ENGINE. WHETHER YOU HAVE A 2-STROKE OR A 4-STROKE, THE BOTTOM LINE IS THAT EITHER IS JUST AN AIR PUMP, AND THE MORE AIR YOU CAN GET INTO THE ENGINE AND THE MORE FUEL YOU CAN GIVE IT, LEADS YOU TO ALL THE MORE HORSEPOWER AND TORQUE! |

| NOTE: PORTING AND FLOW BENCH TESTING CAN ONLY BE DONE PROPERLY WITH PRECISION EQUIPMENT AND THE CORRECT TOOLS. THIS IS NOT FOR AMATEURS! |

| FOR ALL YOU DIYERS OUT THERE THAT THINK THEY CAN PORT, ANYONE CAN PICK-UP A GRINDER AND START HOGGING OUT A PORT ON A HEAD OR A BOWL. BUT UNTIL YOU HAVE PUT YOUR HEADS ON A FLOW BENCH, HOW DO YOU KNOW THAT YOU HELPED YOUR FLOW? WELL YOU DON'T! IF YOU JUST START CUTTING ON YOUR HEADS AND DON'T KNOW WHAT YOU ARE DOING, CHANCES ARE YOU WILL DO MORE HARM THAN GOOD. |
| HOW DEEP ARE YOUR POCKETS TO FIX THE PROBLEM YOU JUST CREATED? SAVE THE MONEY AND DO IT THE RIGHT WAY! |


