A few companies have recently ventured into the Coyote intake manifold market and when we saw Holley’s fabricated version, we had to test it. “The Coyote is obviously an innovative, new engine capable ...

Internal combustion engines are fairly simply machines. When you break it down, they are nothing more than air pumps. When it comes to making horsepower and torque, the simple fact is the more air you ...

An intake manifold leak can quietly drain your car’s power, fuel economy, and reliability. Knowing the symptoms, testing methods, and repair steps can save you costly shop bills. With the right tools ...