It's a well-known fact that piston ring gaps represent an area of pressure loss in a running engine. It has been found that minimizing end gap under operating conditions offers a measurable power ...

First-time engine builders and those working on mass-produced powerplants commonly use off-the-shelf pregapped piston rings. However, high-performance engine builders seem to spend a lot of time ...

No matter how much we love them, our engines are still basically inefficient air pumps and need all the help they can get to make power. Like any other type of pump, if it leaks, it won't work. And ...

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 ...

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 ...

In internal combustion engine, it is well-known that oil infiltrates the combustion chamber through the clearance between the piston ring and the cylinder bore with vertical reciprocating motion of ...