Presumably that you want to replace the worn out piston rings of a Toyota VVTi engine, you’ll need to know how to correctly put the new ones in place. The hardest part is to reach the piston rings ...

Piston rings have small gaps that allow them to expand during engine operation. If these gaps line up, fuel and gases can escape into the crankcase, causing loss of power and increased oil consumption ...

What makes piston ring selection and ring endgap so important to engine life and power? What's more, what makes that first engine firing so critical to proper break-in and longevity? Those first few ...

What makes piston ring selection and ring endgap so important to engine life and power? What's more, what makes that first engine firing so critical to proper break-in and longevity? Those first few ...

High performance engine building is the art of attention to detail. Top engine builders don’t take anything for granted. John Bouchard, engine builder at Boost Addicts in Madison, Tennessee showed us ...

The piston rings on any engine have three main purposes - to ensure the combustion chamber’s tightness, to clean the cylinder and to leave a very thin layer of oil on its surface in order to reduce ...