Rod ratio is simple to calculate: Take the length of the piston rod and divide by the length of the crankshaft stroke. Why or how would that make a difference in building an engine? Piston rod length ...

Most connecting rods in current engines are configured like this aftermarket Crowerod. The little end (A) accepts a high-strength steel wristpin that connects the rod to the piston. The large end (B) ...

As gearheads, we love to remember numbers. Many can probably rattle off all sorts of specs from various cars and engines. Cubic inches, rearend ratios, and camshaft lift specs are a lot of the common ...

Why Connecting Rod Side Clearance Matters. Understand why connecting rod side clearance is an important engine-building ...