Piston rings have small gaps that allow them to expand during engine operation. If these gaps line up, fuel and gases can ...

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 ...

When building an engine, it's understandable how the sight of all those parts laid across the workbench can be a bit intimidating to most novice engine builders. After having the block freshly ...

If for some reason you disassembled a Toyota engine just to put it back and hope it will still work, here’s a short tutorial on how to check the piston rings gap tolerance, which will tell you if the ...

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 ...

In order to understand the relationship between the location of piston ring gap and instantaneous change of oil consumption during engine operation, the ring rotation and instantaneous oil consumption ...