The typical four-stroke engine is made up of hundreds of parts. These parts are all designed and engineered to work together to make a prescribed amount of power, torque, engine longevity, and other ...

A.Incorrect rocker arm geometry is a common problem, however in most cases (assuming the rocker arms and other components are correct for the engine in question) it's easy to correct. According to the ...

Q: I have a '74 Ford Maverick sedan that I built a mild 306 for. It has 9.5:1 compression, ported and polished factory heads, and a cam with 276/281 degrees advertised duration and 0.471-inch valve ...