As with most things in life, it’s the details that make the difference. You might not think that a measly degree here or there could make more horsepower when it comes to a valve job, but there’s ...

There is no question that the DOHC 5.0L Coyote engine has taken Mustang performance to new levels, and the spotlight, but if you have a Three-Valve 4.6L, there are still a lot of performance options ...

For Part I, covering the new combustion system, direct injection, and active fuel management: click here. For Part III, covering the block, crankshaft and lubrication systems: click here. Continuing ...