Basic mathematics for the car enthusiast: that's this month's shop series as we get into readin', writin' and arodthmetic Like a 9/16-inch box-end wrench or a piston ring compressor, basic mathematics ...

A piston is anything but a slug. It's asked to withstand the cylinder pressures generated by 200,000,000 power strokes (in its 100,000-mile lifetime), slide in bores with a minimal amount of ...