More specifically, cast and machined bores in a cylinder block are subjected to thermal and load distribution that add complexity to the goal of maintaining concentric bores in a running and highly ...

We decided to flow the intake and exhaust runners of several popular factory cylinder heads and then port an intake and exhaust runner to compare the difference. We'll be performing our testing on the ...

The key to horsepower heaven is in the shape of the cylinder head. Inside these castings, ports direct airflow to and from each cylinder. Since horsepower enthusiasts often attempt to improve their ...