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 ...

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 ...

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 ...

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 ...

I've always wanted to rebuild an engine myself, so I'm doing the 327 Chevy out of my 1955. I've bought books, watched videos, but I'm still confused about piston ring gaps. My rebuild kit came with ...

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 ...