Machining Archives - Tomorrows Technician
Engine Tech: Understanding Valve Seats & Guides

A significant percentage of valve seat failures are due to wrong parts or incorrect valvetrain geometry.

Abrasive Personalities – Grinding and Refacing Stones

Why are there so many grinding stones? Because each has different characteristics and uses.

Determining The Correct Surface Finish

For an ultra-smooth surface finish, know the metallurgy of the castings and the head gasket.

How And Why Dry Sleeving Of Cylinders Works

Cylinder liners or sleeves continue to be the saving grace for new aluminum and vintage iron blocks.

How To Hone In On Honing

The key to honing is to get the rings to seal against the cylinder wall by making just enough valley depth.